CVE-2026-20012
Vulnérabilité élevée dans IOS (Cisco)
CVSS 8.6 · Élevée
EPSS 0.4%
Cisco•IOS•Versions : 9.16.4.27, 17.15.2b, 9.12.4.54, 15.4(1)T, 15.5(3)M4, 9.12.4.4, 17.7.2, 15.2(4)M8, 15.2(4)JB3a, 15.6(2)SP8, 15.3(3)S2, 3.8.10E, 3.10.0E, 15.2(5a)E, 9.20.3.7, 9.12.4.26, 9.8.4.25, 9.16.4.55, 15.2(2)S0a, 15.4(2)T, 15.7(3)M1, 6.4.0.9, 15.5(3)M6, 15.1(4)M1, 15.2(4)EA7, 15.1(2)S1, 3.11.6E, 15.2(2)E7, 9.8.2.17, 15.2(4)JB3s, 17.6.8a, 17.8.1a, 15.4(2)T4, 15.5(3)S0a, 15.6(3)M1, 16.12.1z2, 7.0.0.1, 15.3(3)JN8, 17.15.4d, 15.1(4)M7, 6.2.3.9, 15.8(3)M3a, 3.11.11E, 17.3.6, 7.6.2.1, 17.18.1a, 15.1(1)SY1, 9.18.1, 9.8.4.40, 17.9.1y1, 15.1(3)S6, 16.12.3, 7.0.2.1, 9.12.1.2, 15.5(1)SY11, 3.17.0S, 15.2(7)E3k, 3.16.0S, 15.3(3)M3, 15.2(2)JAX, 17.6.4, 15.5(3)M1, 15.2(4)S, 3.16.4S, 15.2(7)E13, 15.6(1)T1, 15.4(3)S7, 15.1(2)SY3, 15.4(1)S, 9.8.4.32, 15.3(3)M5, 15.5(1)SY5, 15.5(1)S, 15.7(3)M7, 15.8(3)M5, 15.2(3)E3, 15.1(2)SG7, 15.2(2)S1, 15.2(4)EA9a, 15.1(4)M2, 15.2(7)E1, 17.7.1a, 9.12.4.40, 6.2.3.10, 3.8.1E, 15.6(1)T2, 17.6.1, 15.3(3)M6, 9.8.3.18, 17.12.5d, 17.12.1z3, 15.3(3)JA4, 15.8(3)M2, 15.3(3)JC5, 15.6(3)M9, 6.2.3.5, 3.15.1S, 17.3.4c, 17.6.6a, 6.2.3.15, 15.6(3)M6b, 3.7.2E, 7.2.0, 15.2(7)E7, 3.11.10E, 15.7(3)M4b, 17.2.1r, 3.8.3E, 15.5(3)S9a, 7.2.1, 3.11.1S, 15.2(7)E9, 15.2(1)E, 15.1(2)SY13, 3.6.0E, 15.2(4)S2, 9.16.4.84, 15.9(3)M3, 9.19.1.38, 15.0(2)EJ, 15.2(4)E4, 17.3.5a, 15.2(1)S1, 15.3(3)JC, 16.7.1, 15.6(1)T, 6.4.0.13, 3.15.1cS, 17.9.2a, 15.0(2)EY1, 9.16.2.14, 3.16.4bS, 15.8(3)M3b, 7.7.0, 16.8.1s, 7.2.9, 9.8.3.14, 9.17.1.46, 17.3.1x, 3.11.0E, 17.17.1, 15.4(1)S2, 15.2(1)SY1, 16.12.5b, 15.5(2)T1, 15.3(3)M4, 7.4.2.4, 15.2(8)E7, 9.17.1.15, 6.6.7.2, 6.4.0.10, 16.9.4, 9.20.2.21, 16.6.1, 15.5(1)T4, 15.6(1)T3, 3.16.3aS, 15.2(7)E5, 6.4.0.1, 6.6.0, 15.2(4)E10a, 15.2(7)E12, 9.12.3.2, 15.8(3)M3, 17.3.5, 15.1(4)GC2, 15.8(3)M, 15.5(3)S6b, 15.6(2)S, 15.6(3)M6a, 3.6.1E, 15.2(4)EC2, 9.23.1.13, 15.4(3)S, 15.2(4)EC1, 3.13.10S, 15.2(6)E, 9.14.1.6, 9.16.4.67, 9.12.1, 15.6(1)S1, 15.3(2)T, 15.1(2)SY1, 17.4.1b, 15.2(2)E6, 15.6(3)M1b, 3.5.3E, 7.6.2, 15.2(6)E1, 17.2.3, 9.8.1.7, 3.11.12E, 9.12.2.1, 3.18.3aSP, 6.2.3.6, 9.14.4.15, 3.10.2E, 3.18.9SP, 9.23.1, 3.8.6E, 3.10.3E, 16.12.2a, 17.4.1a, 3.18.2SP, 15.3(1)T, 16.11.1a, 3.16.0cS, 3.14.2S, 3.18.8aSP, 9.16.4.70, 17.12.3a, 15.2(5)E2, 7.4.0, 9.12.4.38, 15.4(3)S10, 3.17.1aS, 9.8.4.29, 9.14.1.15, 3.12.3S, 15.9(3)M8b, 15.4(2)CG, 16.6.9, 15.1(1)S1, 9.17.1.30, 6.2.3.17, 15.0(2)EJ1, 9.14.1, 15.2(1)SY1a, 15.3(1)T2, 15.2(1)SY7, 16.10.1f, 15.2(4)M1, 17.15.1x, 15.3(3)JBB, 3.11.5E, 7.2.2, 7.0.6.3, 17.6.6, 15.2(7)E3, 9.8.2.28, 9.20.2.10, 9.19.1.18, 15.2(4)EA5, 9.8.4.26, 17.12.6b, 15.1(2)SY9, 15.8(3)M2a, 15.2(3)E2, 9.18.4.67, 17.6.5, 17.12.1z1, 15.2(7)E11, 15.2(1)SY3, 6.4.0.18, 15.6(3)M8, 15.9(3)M2a, 3.17.4S, 16.9.1, 9.17.1.33, 15.2(8)E4, 9.14.3.1, 16.9.7, 15.3(3)JA8, 15.2(2)E5a, 9.14.3.11, 9.8.4.20, 9.16.4.76, 17.3.2, 7.4.1.1, 15.2(6)E0a, 15.4(1)S4, 15.8(3)M1, 15.2(1)GC1, 15.7(3)M6, 7.2.10.2, 9.19.1.22, 7.2.5, 15.1(2)SG2, 15.0(2)SE11, 9.18.4.52, 9.8.1.5, 15.3(3)M10, 3.6.5E, 3.18.1aSP, 3.18.3SP, 15.2(1)SY0a, 9.19.1.28, 3.18.6SP, 17.3.1a, 15.1(1)SY5, 3.11.3S, 7.2.4.1, 15.3(3)JD, 6.4.0.4, 16.8.3, 7.4.2.2, 15.2(8)E6, 15.4(1)T4, 15.2(4)M3, 17.3.3, 15.6(3)M5, 9.8.4, 9.18.4.50, 15.2(2)S, 15.6(3)M3, 15.5(3)S, 3.18.5SP, 15.3(3)JA, 9.16.3.15, 7.4.2, 7.2.4, 3.8.5aE, 15.2(4)JB3b, 15.1(1)SY2, 15.2(4)S5, 15.3(2)S2, 3.6.6E, 7.2.8, 3.7.4E, 17.12.2a, 15.5(3)S6a, 15.1(2)SG1, 3.13.5S, 15.2(1)SY8, 17.11.1, 15.5(1)T, 15.2(2)E5, 15.3(3)JNB3, 15.3(1)T3, 15.5(1)S3, 3.17.2S, 15.2(4)M6, 9.16.3.19, 15.2(7)E1a, 9.22.1.3, 9.22.2.9, 9.18.2, 9.8.3.8, 17.3.8, 15.2(4)EA6, 9.12.2.5, 9.22.2, 15.0(2)SE2, 15.3(3)JBB5, 9.14.1.10, 9.12.4.62, 6.4.0.12, 16.12.1s, 3.18.3bSP, 15.1(2)SY5, 15.3(3)JA10, 16.12.4, 6.6.4, 3.16.6bS, 9.14.2.13, 17.12.4a, 16.10.1c, 15.9(3)M4a, 15.0(2)SE10, 15.3(3)JB, 15.4(1)SY3, 15.3(3)S8, 15.1(4)M3a, 17.9.6a, 17.6.1z1, 16.12.13, 15.2(2)E10, 17.3.8a, 17.12.6a, 15.8(3)M9, 6.2.3.16, 17.12.4, 15.3(3)JC2, 15.4(1)T2, 15.0(2)SE12, 15.1(2)SY11, 9.22.2.4, 9.19.1.5, 3.11.13E, 15.9(3)M0a, 9.20.2.22, 3.8.7E, 9.8.3, 15.5(3)S8, 9.8.4.45, 15.3(3)JBB4, 15.2(8)E, 3.8.4E, 15.5(1)S1, 3.5.1E, 17.4.1, 15.2(3)E1, 17.16.1a, 3.18.0S, 15.4(1)SY4, 7.3.1.1, 9.16.4.9, 9.18.4.29, 15.9(3)M4, 6.4.0.6, 15.2(2)E4, 16.7.3, 7.0.2, 9.16.4.42, 7.6.0, 15.3(3)JC3, 9.14.3.9, 15.2(2)E1, 9.8.4.48, 16.6.8, 9.19.1.42, 7.1.0.2, 6.2.3.1, 3.6.8E, 15.2(2)SY2, 16.12.6a, 3.13.7aS, 15.1(4)M8, 15.2(3)GC, 17.1.3, 9.12.4, 15.4(1)T3, 17.9.3, 15.4(3)S9, 15.2(1)GC2, 3.8.2E, 15.5(3)M, 16.8.1, 7.3.1.2, 17.6.1x, 9.8.4.10, 15.2(5a)E1, 15.0(2)SE13, 15.1(1)SY6, 15.8(3)M7, 9.16.3.23, 15.2(1)GC, 16.12.2s, 17.9.2, 15.5(1)SY14, 9.8.4.15, 16.10.1g, 6.4.0, 15.2(5b)E, 17.6.1a, 9.8.4.44, 9.8.2.20, 15.1(2)SY4a, 9.8.4.41, 15.2(7)E0b, 3.7.0E, 17.15.2a, 9.16.4.14, 9.12.4.67, 17.15.4e, 3.16.3S, 16.9.6, 15.2(2)JB2, 15.2(2)JB5, 16.12.1z1, 15.2(7)E0s, 15.2(2)EA3, 15.2(4)S3a, 9.8.4.39, 9.17.1.13, 15.0(2)SE9, 15.1(3)S2, 15.2(4)M5, 9.17.1.9, 16.10.1e, 15.3(3)M9, 9.8.4.46, 17.1.1t, 15.3(3)M7, 15.7(3)M2, 15.5(3)S6, 17.15.3, 17.14.1a, 15.2(2)E, 16.12.5, 15.9(3)M2, 15.2(4)M, 15.2(4)EA3, 15.5(2)T4, 7.2.10, 15.4(2)T1, 6.4.0.14, 17.9.3a, 15.5(3)S1a, 15.7(3)M3, 15.3(3)JC1, 15.3(3)JBB1, 15.2(7)E2, 15.5(3)M10, 9.8.4.22, 15.4(2)S1, 6.4.0.7, 15.5(1)SY3, 6.4.0.2, 15.1(3)S1, 9.17.1.39, 15.3(3)JA1m, 15.9(3)M10, 16.9.8, 3.18.2S, 9.18.2.8, 6.2.3.3, 16.9.5f, 15.4(2)S4, 9.14.4.12, 16.9.5, 15.1(4)GC1, 15.8(3)M0a, 3.11.2S, 15.2(3a)E, 3.8.9E, 9.20.3.16, 16.12.9, 9.16.2.11, 15.1(2)GC2, 16.7.1b, 17.3.5b, 3.11.0S, 9.18.2.5, 16.6.10, 7.2.5.1, 15.2(4)EA, 17.15.1w, 15.2(4)M6a, 15.2(1)E3, 15.5(3)M4a, 17.12.5c, 3.11.1aE, 17.4.2a, 3.18.0SP, 15.6(3)M0a, 7.4.2.3, 9.23.1.7, 16.9.1s, 15.2(2)SY, 17.16.1, 6.4.0.11, 15.1(2)SY12, 15.0(2)SE4, 15.2(3)GC1, 7.0.8, 15.9(3)M6, 16.7.4, 15.5(1)SY1, 15.7(3)M4, 15.2(2)E5b, 3.7.3E, 17.12.4b, 15.3(3)JAX1, 17.15.1z, 15.1(3)S, 17.12.1x, 9.19.1.37, 15.5(3)S7, 3.13.5aS, 15.9(3)M6a, 9.14.3.15, 9.16.2.7, 17.18.1w, 16.10.2, 9.8.4.3, 17.9.8, 15.1(1)SY3, 15.5(1)SY10, 15.6(1)S2, 9.12.4.13, 15.2(8)E5, 17.9.4a, 15.6(2)SP3, 9.8.4.8, 9.17.1.10, 15.4(2)T2, 3.16.4aS, 9.14.4.14, 16.12.7, 17.4.2, 3.14.3S, 17.15.1a, 15.2(4)GC2, 15.1(1)SY, 15.5(1)T3, 9.12.4.58, 15.3(1)T1, 15.3(3)S4, 15.6(2)S3, 15.1(2)SG6, 7.7.10, 15.5(3)S1, 15.0(2)SE3, 16.12.4a, 15.1(3)S0a, 15.2(3)EA, 15.5(1)SY12, 16.9.3a, 6.6.0.1, 15.9(3)M, 3.12.2S, 15.2(4)E10, 7.1.0, 9.19.1, 7.4.1, 15.5(1)SY8, 17.9.5, 9.18.2.7, 15.1(2)SY8, 9.20.3.4, 6.4.0.5, 15.8(3)M4, 15.5(3)M6a, 9.12.3.12, 15.5(3)S3, 3.13.7S, 17.2.1v, 16.6.3, 15.2(4)E9, 9.18.4.8, 16.6.4a, 15.4(1)T1, 9.8.2.15, 15.5(1)SY7, 15.4(2)S3, 17.6.1z, 17.12.1a, 15.6(2)SN, 3.18.1cSP, 15.5(2)S1, 9.16.1.28, 15.2(4)JB, 9.20.3.10, 9.14.4.23, 15.6(2)S4, 16.10.1s, 9.12.2.4, 16.7.1a, 17.8.1, 9.14.3.18, 15.2(4)EA9, 15.8(3)M8, 9.12.4.29, 3.6.3E, 17.9.7b, 16.12.3s, 15.2(1)SY2, 15.2(4)E3, 15.5(3)S4, 15.0(2)EA1, 9.12.4.8, 3.8.0E, 15.1(3)S4, 15.3(3)JBB6, 16.8.1e, 15.2(3)E, 17.15.1y, 9.20.1, 15.3(3)JA6, 6.2.3.4, 15.6(2)SP1, 9.17.1.11, 17.6.8, 15.0(2)SE8, 3.18.2aSP, 15.2(4)EA4, 7.3.0, 3.12.0aS, 9.18.3.53, 15.0(2)EY2, 9.16.4.71, 15.2(2)EA1, 17.6.3, 7.0.8.1, 15.3(1)SY2, 9.14.1.30, 9.14.4.6, 3.6.2E, 17.15.1, 16.12.1w, 16.12.1x, 6.2.3.18, 16.11.1s, 15.3(1)S1, 15.2(5)E1, 9.16.2.3, 9.14.2.8, 15.3(3)S10, 15.1(1)S2, 15.2(4)EA1, 15.1(2)SY7, 3.13.0aS, 15.0(2)EK1, 9.8.4.34, 6.6.5.1, 9.16.3.14, 9.8.4.7, 15.5(3)S5, 15.5(3)S9, 3.18.1S, 15.0(2)SE1, 9.20.3.20, 7.2.6, 7.0.0, 15.2(2a)E1, 9.16.1, 15.2(4)E8, 17.12.6, 9.8.4.12, 6.6.5, 7.2.8.1, 9.12.4.56, 15.6(2)T3, 9.12.2, 16.12.11, 15.4(1)CG1, 15.1(1)SG1, 15.2(4)JB3, 3.16.7bS, 15.6(2)T, 17.12.5b, 15.2(1)SY5, 17.12.1y, 15.4(3)S5, 9.12.3.9, 9.18.3.55, 15.1(4)M, 15.9(3)M5, 15.5(1)SY, 15.4(3)S8, 15.5(2)S, 17.9.5a, 9.8.2.8, 15.3(2)T2, 15.6(1)S4, 15.2(4)M10, 15.5(1)SY13, 15.2(2)SY1, 9.18.4.66, 17.9.1y, 17.15.1b, 15.7(3)M8, 9.16.4.39, 15.2(4)E1, 15.3(3)S7, 15.2(1)SY6, 7.4.2.1, 15.9(3)M1, 9.18.4.34, 15.2(4)EA8, 15.4(1)SY, 16.8.2, 15.2(4)GC, 3.11.3aE, 9.17.1.45, 7.6.1, 15.1(3)S3, 9.14.4.24, 16.10.3, 3.13.4S, 3.16.2S, 6.4.0.16, 15.1(3)S5, 15.1(4)M4, 15.5(1)SY9, 9.12.4.24, 9.18.4.40, 17.6.1y, 6.2.3.7, 15.2(1)S, 15.2(4)S4a, 15.5(1)SY15, 3.13.6aS, 15.3(3)M8, 9.16.2.13, 15.6(2)T1, 15.1(2)SY2, 15.7(3)M, 7.0.4, 15.0(2)SE5, 3.10.1E, 3.17.1S, 3.16.1aS, 3.8.5E, 9.12.4.7, 17.12.3, 17.11.1a, 16.9.1b, 15.4(2)S2, 3.13.3S, 17.9.7, 15.2(6)E2, 3.16.9S, 15.2(1)E1, 7.0.6.1, 15.2(4)M4, 15.2(4)S7, 15.2(4)S1, 3.15.3S, 9.8.3.26, 15.1(2)SY, 9.18.3.56, 9.12.4.35, 15.1(1)SY4, 16.10.1a, 9.16.4.61, 7.0.7, 15.3(2)S1, 15.4(2)S, 9.20.3.9, 15.1(2)SY10, 15.1(1)SG2, 15.1(2)SG, 3.5.0E, 3.18.7SP, 15.9(3)M7a, 17.2.1a, 15.9(3)M11, 15.1(2)S, 17.18.1, 6.6.5.2, 15.4(3)S2, 15.3(3)M1, 3.7.5E, 9.20.3.13, 9.12.4.39, 17.9.7a, 3.12.1S, 9.12.4.65, 3.6.4E, 15.5(2)T, 9.8.4.17, 15.8(3)M1a, 9.8.1, 9.18.4.47, 15.2(5)E, 7.0.3, 15.9(3)M6b, 3.18.3S, 15.6(2)SP2, 16.10.1d, 9.14.2, 9.19.1.24, 15.0(2)EK, 3.16.7S, 16.12.5a, 15.2(6)E2b, 9.12.4.10, 15.2(7)E10, 15.2(4)M2, 3.13.6S, 15.3(1)S, 9.14.3.13, 16.9.3, 15.2(7b)E0b, 9.12.4.47, 9.22.1.2, 17.9.1x, 15.2(6)E3, 15.3(3)S9, 6.2.3.12, 15.5(1)SY6, 9.18.4.5, 7.3.1, 15.6(3)M, 15.3(3)S8a, 15.5(3)M5, 15.5(2)S3, 15.2(2)GC, 3.9.2E, 16.12.6, 6.6.7, 15.2(1)SY, 9.19.1.27, 16.12.10a, 9.8.2, 15.4(1)SY1, 3.13.0S, 15.2(4)E7, 3.12.0S, 7.1.0.1, 15.5(3)M3, 15.2(6)E2a, 15.2(2)E2, 15.6(2)SP6, 9.8.2.14, 15.6(3)M6, 3.11.8E, 9.18.4.22, 7.0.6, 15.2(4)JB1, 9.12.4.52, 9.14.4.22, 15.1(2)GC, 17.3.4a, 3.6.10E, 15.1(2)SY14, 17.12.1, 9.18.3, 17.15.2c, 15.1(2)S2, 15.5(3)M0a, 9.17.1.20, 15.2(7)E4, 15.1(4)M9, 17.12.1z4, 17.1.1, 7.2.3, 17.12.1w, 17.13.1a, 15.5(1)T1, 3.18.1bSP, 9.16.4.19, 15.9(3)M3a, 15.8(3)M6, 3.13.9S, 9.12.3.7, 3.18.4SP, 17.12.1z2, 15.5(1)S4, 9.8.4.35, 15.1(1)S, 9.20.4, 15.5(1)T2, 6.4.0.17, 15.2(1)S2, 9.8.3.21, 15.0(2)SE, 17.6.2, 16.11.1b, 15.3(3)M, 15.3(3)JA7, 9.18.3.39, 15.1(2)SG3, 3.13.8S, 17.3.1z, 9.12.1.3, 17.5.1a, 3.6.5aE, 15.3(1)SY1, 15.3(3)S3, 9.19.1.31, 9.12.4.18, 17.7.1b, 15.6(2)SP4, 9.19.1.12, 15.2(4)GC3, 15.2(2)E9, 15.3(3)JAX2, 9.12.4.41, 3.16.2aS, 15.1(4)M10, 9.8.3.29, 3.8.8E, 9.23.1.3, 17.9.5f, 15.3(2)T4, 3.9.0E, 15.6(3)M2a, 3.6.9E, 15.6(2)S1, 15.1(4)M5, 15.2(1)E2, 7.2.0.1, 16.12.14, 17.9.5e, 15.3(3)JC4, 6.2.3.14, 15.2(5)E2c, 15.9(3)M8, 16.8.1b, 16.6.6, 15.5(2)T3, 15.1(2)SG4, 15.3(3)JAA, 7.0.1, 9.8.3.11, 9.14.2.4, 16.6.7, 16.9.1a, 15.5(1)SY4, 9.17.1, 15.2(8)E2, 9.18.4.53, 16.12.2, 6.6.7.1, 3.12.4S, 15.2(2)S0c, 3.9.1E, 17.9.1x1, 15.1(3)S5a, 15.5(1)SY2, 15.0(2)EY3, 15.6(3)M4, 7.2.5.2, 9.20.4.7, 16.6.5a, 9.14.2.15, 9.18.4.68, 15.0(2)SE6, 17.9.6, 9.16.3.3, 3.11.4S, 3.13.2S, 9.8.4.43, 16.7.2, 15.6(3)M7, 3.15.4S, 6.4.0.8, 3.11.7E, 15.2(2)S2, 3.6.7E, 15.4(1)S3, 15.6(1)S3, 3.13.2aS, 17.1.1s, 15.2(7)E2a, 16.10.1b, 15.2(5)EX, 6.2.3, 15.5(3)M7, 15.2(8)E3, 7.0.6.2, 16.6.5, 16.8.1a, 15.6(2)SP5, 17.14.1, 15.5(3)S10, 15.2(4)E10d, 17.12.5, 15.2(4)JB4, 16.12.8, 3.11.1E, 17.3.4, 9.14.4.17, 17.2.1, 9.14.4.7, 15.2(7)E8, 15.5(3)S2, 9.18.4.24, 9.17.1.7, 3.5.2E, 9.8.4.33, 15.3(1)SY, 15.2(2)E3, 3.13.1S, 15.3(3)M2, 15.2(7a)E0b, 15.1(1)SG, 9.16.4.48, 17.3.2a, 9.18.1.3, 3.11.9E, 17.9.1, 16.12.1a, 16.12.1y, 15.3(3)JBB2, 17.10.1b, 15.6(2)S2, 9.16.3, 3.16.6S, 16.11.2, 15.2(4)S3, 15.3(3)JD2, 17.3.7, 9.14.1.19, 16.9.2, 15.2(2)JB4, 15.5(3)M9, 15.2(4)E5, 15.3(1)T4, 15.5(2)T2, 17.7.1, 3.11.2E, 15.2(2)JB6, 15.2(4)JB6, 15.2(2)JB3, 3.16.10S, 17.10.1, 15.2(4)M11, 15.2(4)E6, 15.3(3)S1a, 15.3(3)JAX, 15.2(4)JB5, 6.6.3, 17.6.3a, 15.2(7)E, 9.12.2.9, 3.10.0cE, 15.6(3)M2, 9.12.4.2, 17.2.2, 17.15.3b, 6.2.3.13, 15.2(4)E, 15.1(2)SY6, 15.6(2)T2, 17.9.4, 3.7.1E, 15.3(2)S, 15.2(2)EA, 6.4.0.15, 3.18.4S, 17.6.1w, 9.12.4.55, 15.2(4)E2, 15.0(2)SE7, 15.1(2)SY16, 9.8.3.16, 3.14.4S, 15.7(3)M9, 15.2(2)SY3, 7.0.5, 15.6(3)M3a, 3.17.3S, 7.7.10.1, 9.14.4.13, 15.4(1)SY2, 15.3(3)M8a, 9.8.2.35, 15.9(3)M3b, 16.8.1d, 3.15.0S, 15.6(1)S, 17.6.5a, 6.6.1, 15.4(3)S1, 3.16.1S, 15.3(3)S5, 15.1(4)M3, 15.5(2)S4, 15.8(3)M0b, 15.1(2)SG8, 6.2.3.8, 6.2.3.11, 15.9(3)M9, 15.2(2)JB, 15.2(2)EA2, 9.18.4, 17.9.1a, 15.9(3)M7, 9.20.2, 7.0.1.1, 15.4(3)S4, 16.12.12, 15.4(3)S6a, 9.12.3, 15.2(2)E8, 6.2.3.2, 16.12.1c, 17.12.1z, 15.4(2)T3, 16.12.10, 9.8.2.24, 15.2(4)M9, 15.3(3)JAB, 9.8.2.26, 15.2(1)SY4, 3.16.4dS, 17.9.5b, 3.11.3E, 15.3(3)S1, 3.16.2bS, 9.8.2.33, 9.20.3, 3.11.4E, 15.4(1)CG, 7.1.0.3, 3.18.1SP, 15.7(3)M4a, 3.6.2aE, 9.16.4.38, 9.12.4.37, 15.4(1)S1, 17.15.2, 15.3(3)S6, 17.9.1w, 15.3(3)JA1, 16.6.2, 15.2(4)S6, 15.2(4)M7, 9.16.4.57, 9.18.3.46, 15.1(2)GC1, 17.13.1, 9.18.4.57, 15.5(3)SN, 15.5(3)M2, 15.2(3)E4, 15.3(1)S2, 3.16.7aS, 9.14.3, 16.12.1, 17.12.2, 9.19.1.9, 15.1(4)M6, 3.16.8S, 17.15.4, 15.2(8)E1, 9.16.4.62, 15.3(3)JA5, 16.10.1, 17.12.5a, 15.1(2)SY15, 15.6(2)SP9, 15.3(2)T3, 15.2(5c)E, 15.0(2)EY, 3.16.5S, 15.1(4)GC, 15.7(3)M0a, 15.6(1)T0a, 9.8.2.45, 15.2(7)E0a, 15.2(5)EA, 16.8.1c, 15.2(6)E0c, 15.5(1)S2, 9.14.4, 9.22.1.1, 9.12.4.30, 16.12.1t, 3.6.7bE, 15.2(4)S4, 15.3(2)T1, 15.5(1)SY16, 15.2(2a)E2, 15.2(4)JB5m, 9.20.1.5, 15.5(2)S2, 15.4(3)S6, 9.12.4.50, 3.14.1S, 17.5.1, 15.2(1)EY, 17.1.1a, 15.6(2)SP7, 15.2(7)E6, 15.0(2)SE10a, 15.7(3)M5, 15.0(2)EA, 9.16.4.82, 3.15.2S, 15.3(3)S, 15.2(8)E8, 16.12.3a, 3.18.0aS, 7.2.7, 15.1(2)SG5, 9.8.2.38, 9.16.2, 16.11.1, 15.5(3)M8, 17.6.7, 9.22.1.6, 15.2(4)GC1, 17.15.3a, 3.14.0S, 17.3.4b, 15.1(2)SY4, 15.9(3)M12, 17.3.1w, 9.16.4, 15.6(2)SP, 9.12.4.48, 6.4.0.3, 17.10.1a, 15.4(3)S3, 16.6.4, 17.3.1
Description
A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Software, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service (DoS) condition on an affected device. This vulnerability is due to improper parsing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device. A successful exploit of Cisco IOS Software and IOS XE Software could allow the attacker to cause the affected device to reload, resulting in a DoS condition. A successful exploit of Cisco Secure Firewall ASA Software and Secure FTD Software could allow the attacker to partially exhaust system memory, resulting in system instability, such as the inability to establish new IKEv2 VPN sessions. A manual reboot of the device is required to recover from this condition.
Gravité et risque d'exploitation
CVE-2026-20012 obtient un score CVSS de 8.6/10, soit une gravité élevée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.35 %, ce qui la place devant 27.6 % des CVE référencées.
Que faire ?
- Vérifiez si IOS (versions 9.16.4.27, 17.15.2b, 9.12.4.54, 15.4(1)T, 15.5(3)M4, 9.12.4.4, 17.7.2, 15.2(4)M8, 15.2(4)JB3a, 15.6(2)SP8, 15.3(3)S2, 3.8.10E, 3.10.0E, 15.2(5a)E, 9.20.3.7, 9.12.4.26, 9.8.4.25, 9.16.4.55, 15.2(2)S0a, 15.4(2)T, 15.7(3)M1, 6.4.0.9, 15.5(3)M6, 15.1(4)M1, 15.2(4)EA7, 15.1(2)S1, 3.11.6E, 15.2(2)E7, 9.8.2.17, 15.2(4)JB3s, 17.6.8a, 17.8.1a, 15.4(2)T4, 15.5(3)S0a, 15.6(3)M1, 16.12.1z2, 7.0.0.1, 15.3(3)JN8, 17.15.4d, 15.1(4)M7, 6.2.3.9, 15.8(3)M3a, 3.11.11E, 17.3.6, 7.6.2.1, 17.18.1a, 15.1(1)SY1, 9.18.1, 9.8.4.40, 17.9.1y1, 15.1(3)S6, 16.12.3, 7.0.2.1, 9.12.1.2, 15.5(1)SY11, 3.17.0S, 15.2(7)E3k, 3.16.0S, 15.3(3)M3, 15.2(2)JAX, 17.6.4, 15.5(3)M1, 15.2(4)S, 3.16.4S, 15.2(7)E13, 15.6(1)T1, 15.4(3)S7, 15.1(2)SY3, 15.4(1)S, 9.8.4.32, 15.3(3)M5, 15.5(1)SY5, 15.5(1)S, 15.7(3)M7, 15.8(3)M5, 15.2(3)E3, 15.1(2)SG7, 15.2(2)S1, 15.2(4)EA9a, 15.1(4)M2, 15.2(7)E1, 17.7.1a, 9.12.4.40, 6.2.3.10, 3.8.1E, 15.6(1)T2, 17.6.1, 15.3(3)M6, 9.8.3.18, 17.12.5d, 17.12.1z3, 15.3(3)JA4, 15.8(3)M2, 15.3(3)JC5, 15.6(3)M9, 6.2.3.5, 3.15.1S, 17.3.4c, 17.6.6a, 6.2.3.15, 15.6(3)M6b, 3.7.2E, 7.2.0, 15.2(7)E7, 3.11.10E, 15.7(3)M4b, 17.2.1r, 3.8.3E, 15.5(3)S9a, 7.2.1, 3.11.1S, 15.2(7)E9, 15.2(1)E, 15.1(2)SY13, 3.6.0E, 15.2(4)S2, 9.16.4.84, 15.9(3)M3, 9.19.1.38, 15.0(2)EJ, 15.2(4)E4, 17.3.5a, 15.2(1)S1, 15.3(3)JC, 16.7.1, 15.6(1)T, 6.4.0.13, 3.15.1cS, 17.9.2a, 15.0(2)EY1, 9.16.2.14, 3.16.4bS, 15.8(3)M3b, 7.7.0, 16.8.1s, 7.2.9, 9.8.3.14, 9.17.1.46, 17.3.1x, 3.11.0E, 17.17.1, 15.4(1)S2, 15.2(1)SY1, 16.12.5b, 15.5(2)T1, 15.3(3)M4, 7.4.2.4, 15.2(8)E7, 9.17.1.15, 6.6.7.2, 6.4.0.10, 16.9.4, 9.20.2.21, 16.6.1, 15.5(1)T4, 15.6(1)T3, 3.16.3aS, 15.2(7)E5, 6.4.0.1, 6.6.0, 15.2(4)E10a, 15.2(7)E12, 9.12.3.2, 15.8(3)M3, 17.3.5, 15.1(4)GC2, 15.8(3)M, 15.5(3)S6b, 15.6(2)S, 15.6(3)M6a, 3.6.1E, 15.2(4)EC2, 9.23.1.13, 15.4(3)S, 15.2(4)EC1, 3.13.10S, 15.2(6)E, 9.14.1.6, 9.16.4.67, 9.12.1, 15.6(1)S1, 15.3(2)T, 15.1(2)SY1, 17.4.1b, 15.2(2)E6, 15.6(3)M1b, 3.5.3E, 7.6.2, 15.2(6)E1, 17.2.3, 9.8.1.7, 3.11.12E, 9.12.2.1, 3.18.3aSP, 6.2.3.6, 9.14.4.15, 3.10.2E, 3.18.9SP, 9.23.1, 3.8.6E, 3.10.3E, 16.12.2a, 17.4.1a, 3.18.2SP, 15.3(1)T, 16.11.1a, 3.16.0cS, 3.14.2S, 3.18.8aSP, 9.16.4.70, 17.12.3a, 15.2(5)E2, 7.4.0, 9.12.4.38, 15.4(3)S10, 3.17.1aS, 9.8.4.29, 9.14.1.15, 3.12.3S, 15.9(3)M8b, 15.4(2)CG, 16.6.9, 15.1(1)S1, 9.17.1.30, 6.2.3.17, 15.0(2)EJ1, 9.14.1, 15.2(1)SY1a, 15.3(1)T2, 15.2(1)SY7, 16.10.1f, 15.2(4)M1, 17.15.1x, 15.3(3)JBB, 3.11.5E, 7.2.2, 7.0.6.3, 17.6.6, 15.2(7)E3, 9.8.2.28, 9.20.2.10, 9.19.1.18, 15.2(4)EA5, 9.8.4.26, 17.12.6b, 15.1(2)SY9, 15.8(3)M2a, 15.2(3)E2, 9.18.4.67, 17.6.5, 17.12.1z1, 15.2(7)E11, 15.2(1)SY3, 6.4.0.18, 15.6(3)M8, 15.9(3)M2a, 3.17.4S, 16.9.1, 9.17.1.33, 15.2(8)E4, 9.14.3.1, 16.9.7, 15.3(3)JA8, 15.2(2)E5a, 9.14.3.11, 9.8.4.20, 9.16.4.76, 17.3.2, 7.4.1.1, 15.2(6)E0a, 15.4(1)S4, 15.8(3)M1, 15.2(1)GC1, 15.7(3)M6, 7.2.10.2, 9.19.1.22, 7.2.5, 15.1(2)SG2, 15.0(2)SE11, 9.18.4.52, 9.8.1.5, 15.3(3)M10, 3.6.5E, 3.18.1aSP, 3.18.3SP, 15.2(1)SY0a, 9.19.1.28, 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3.11.3E, 15.3(3)S1, 3.16.2bS, 9.8.2.33, 9.20.3, 3.11.4E, 15.4(1)CG, 7.1.0.3, 3.18.1SP, 15.7(3)M4a, 3.6.2aE, 9.16.4.38, 9.12.4.37, 15.4(1)S1, 17.15.2, 15.3(3)S6, 17.9.1w, 15.3(3)JA1, 16.6.2, 15.2(4)S6, 15.2(4)M7, 9.16.4.57, 9.18.3.46, 15.1(2)GC1, 17.13.1, 9.18.4.57, 15.5(3)SN, 15.5(3)M2, 15.2(3)E4, 15.3(1)S2, 3.16.7aS, 9.14.3, 16.12.1, 17.12.2, 9.19.1.9, 15.1(4)M6, 3.16.8S, 17.15.4, 15.2(8)E1, 9.16.4.62, 15.3(3)JA5, 16.10.1, 17.12.5a, 15.1(2)SY15, 15.6(2)SP9, 15.3(2)T3, 15.2(5c)E, 15.0(2)EY, 3.16.5S, 15.1(4)GC, 15.7(3)M0a, 15.6(1)T0a, 9.8.2.45, 15.2(7)E0a, 15.2(5)EA, 16.8.1c, 15.2(6)E0c, 15.5(1)S2, 9.14.4, 9.22.1.1, 9.12.4.30, 16.12.1t, 3.6.7bE, 15.2(4)S4, 15.3(2)T1, 15.5(1)SY16, 15.2(2a)E2, 15.2(4)JB5m, 9.20.1.5, 15.5(2)S2, 15.4(3)S6, 9.12.4.50, 3.14.1S, 17.5.1, 15.2(1)EY, 17.1.1a, 15.6(2)SP7, 15.2(7)E6, 15.0(2)SE10a, 15.7(3)M5, 15.0(2)EA, 9.16.4.82, 3.15.2S, 15.3(3)S, 15.2(8)E8, 16.12.3a, 3.18.0aS, 7.2.7, 15.1(2)SG5, 9.8.2.38, 9.16.2, 16.11.1, 15.5(3)M8, 17.6.7, 9.22.1.6, 15.2(4)GC1, 17.15.3a, 3.14.0S, 17.3.4b, 15.1(2)SY4, 15.9(3)M12, 17.3.1w, 9.16.4, 15.6(2)SP, 9.12.4.48, 6.4.0.3, 17.10.1a, 15.4(3)S3, 16.6.4, 17.3.1) est présent sur votre parc.
- Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
- À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
- Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.