CVE-2023-20168

Vulnérabilité élevée dans Cisco NX-OS Software (Cisco)

CVSS 7.1 · Élevée

EPSS 0.2%

Cisco•Cisco NX-OS Software•Versions : 6.0(2)A8(11a), 7.0(3)I2(1a), 8.2(4), 4.2(1)SV1(5.1), 5.2(1)SV3(1.6), 7.3(13)N1(1), 7.1(0)N1(1), 9.2(4), 6.2(25), 6.0(2)U3(7), 8.2(7), 5.2(1)SM1(5.2c), 6.0(2)A8(9), 6.2(6), 7.3(7)N1(1), 9.3(5), 8.4(2a), 5.2(1)SM3(1.1b), 9.2(2t), 6.0(2)U6(4), 10.2(5), 4.2(1)SV1(5.1a), 8.4(2), 7.0(3)F3(5), 8.4(5), 5.2(1)SV3(1.1), 7.0(3)F1(1), 7.0(3)I2(2), 7.2(2)D1(2), 10.2(2), 7.3(7)N1(1a), 6.0(2)A6(8), 7.0(3)I7(8), 6.2(9), 7.1(1)N1(1), 9.3(7a), 6.2(11), 5.2(1)SM3(1.1), 7.2(1)D1(1), 6.0(2)U5(1), 7.3(8)D1(1), 10.3(2), 8.4(2e), 8.4(4), 6.2(21), 7.3(6)D1(1), 7.0(3)I7(7), 6.0(2)U4(2), 6.0(2)A8(1), 6.0(2)A8(10a), 6.0(2)A8(11), 6.2(12), 9.2(3), 5.2(1)SM3(1.1a), 7.0(3)I2(1), 7.0(3)I7(5a), 6.0(2)A6(6), 6.2(19), 7.1(2)N1(1), 4.2(1)SV1(5.2), 6.2(8a), 7.3(4)D1(1), 8.2(1), 8.4(2b), 5.2(1)SV3(4.1), 6.2(11e), 6.2(22), 5.2(1)SK3(2.2), 6.0(2)A8(8), 6.0(2)U4(4), 6.0(2)A7(2a), 7.1(3)N1(2), 8.0(1), 6.2(8), 6.2(3), 10.2(1q), 7.0(3)I4(3), 7.0(3)F3(1), 6.2(11b), 9.3(9), 7.0(3)I5(2), 7.3(2)D1(3), 6.0(2)U6(1), 7.0(3)I5(1), 5.2(1)SV3(1.5a), 6.2(9b), 5.2(1)SM1(5.2a), 7.1(4)N1(1), 6.0(2)A4(2), 6.2(5a), 10.2(3t), 4.2(1)SV2(2.1), 10.2(3), 6.2(16), 6.0(2)A6(1), 7.3(2)D1(1), 9.3(10), 5.2(1)SV5(1.3c), 6.0(2)A8(10), 4.2(1)SV1(4a), 6.0(2)U6(10), 9.2(1), 6.0(2)U6(8), 7.1(3)N1(1), 7.0(3)I2(2e), 5.2(1)SV3(1.10), 6.2(18), 6.0(2)A4(4), 7.0(3)I4(2), 6.0(2)U3(8), 6.2(17), 6.2(15), 6.0(2)A3(1), 7.0(3)I7(9), 6.0(2)U6(3), 7.0(3)I4(8a), 6.2(24a), 8.2(6), 8.1(2a), 6.0(2)A3(2), 7.3(9)N1(1), 6.2(13a), 8.4(1), 6.2(24), 10.3(1), 7.0(3)I2(2b), 4.2(1)SV1(5.2b), 7.0(3)I7(6), 6.0(2)A8(7b), 7.3(3)D1(1), 6.2(33), 7.3(2)D1(2), 5.2(1)SV5(1.2), 5.2(1)SV3(2.5), 6.2(29), 6.2(11d), 6.0(2)U3(1), 6.2(13), 7.3(0)D1(1), 6.0(2)A7(1a), 10.2(1), 5.2(1)SV3(1.5b), 9.2(1a), 6.0(2)U6(7), 7.3(2)D1(3a), 6.2(11c), 6.0(2)U6(1a), 8.5(1), 6.2(13b), 7.3(0)DX(1), 6.2(27), 6.0(2)U4(1), 6.0(2)U2(5), 6.2(6b), 7.0(3)I2(4), 8.3(2), 7.3(5)N1(1), 6.0(2)A6(4), 6.0(2)U2(1), 8.2(5), 7.3(9)D1(1), 10.1(2), 9.3(1), 7.0(3)I3(1), 8.1(1a), 6.0(2)U5(4), 6.0(2)A8(6), 6.0(2)A4(5), 6.0(2)U5(2), 6.0(2)A8(7a), 6.0(2)U5(3), 8.2(7a), 6.0(2)A4(6), 7.0(3)I6(2), 4.2(1)SV2(2.3), 7.0(3)I2(2c), 6.0(2)U2(6), 7.3(1)N1(1), 7.0(3)I7(3), 5.2(1)SM3(2.1), 7.0(3)I7(2), 6.0(2)U3(5), 6.2(8b), 5.2(1)SV3(1.2), 5.2(1)SV3(2.1), 9.3(4), 7.0(3)F3(3c), 7.3(1)DY(1), 8.4(2f), 6.0(2)A6(2), 7.3(4)N1(1), 6.0(2)U6(5b), 5.2(1)SV5(1.3), 5.2(1)SM3(1.1c), 6.0(2)U6(2a), 6.0(2)A4(1), 6.0(2)U2(4), 10.1(1), 8.2(8), 6.0(2)U6(9), 6.0(2)U2(3), 7.1(5)N1(1b), 7.0(3)F3(3a), 7.0(3)I2(5), 6.0(2)A6(3a), 7.3(2)N1(1), 4.2(1)SV2(1.1), 6.2(14), 8.4(6), 7.0(3)I4(8b), 5.2(1)SV3(3.15), 8.2(2), 6.0(2)U6(4a), 7.0(3)I4(5), 6.0(2)A7(2), 6.0(2)A6(5b), 8.4(2d), 5.2(1)SV3(2.8), 6.2(2), 6.2(23), 7.3(12)N1(1), 7.0(3)I4(1), 6.2(5b), 8.4(6a), 6.2(9a), 6.2(6a), 10.1(2t), 4.2(1)SV1(4), 5.2(1)SV3(3.1), 9.2(2), 7.0(3)I4(4), 6.0(2)U6(6), 7.0(3)I7(5), 10.2(4), 8.4(1a), 4.2(1)SV2(1.1a), 7.3(11)N1(1), 8.4(4a), 9.3(3), 7.0(3)I7(10), 6.2(20a), 5.2(1)SM1(5.1), 6.0(2)A8(4), 7.0(3)F3(4), 7.3(10)N1(1), 5.2(1)SM1(5.2b), 5.2(1)SM1(5.2), 5.2(1)SV3(4.1a), 7.0(3)I4(9), 7.0(3)I7(4), 7.0(3)I4(7), 5.2(1)SK3(1.1), 6.2(7), 6.0(2)A6(1a), 6.0(2)A8(2), 7.2(2)D1(1), 6.0(2)A6(4a), 5.2(1)SV3(1.3), 9.3(8), 6.0(2)A3(4), 8.1(1b), 7.0(3)F3(3), 5.2(1)SV3(4.1b), 6.0(2)A8(5), 6.0(2)U4(3), 7.1(0)N1(1b), 8.1(1), 7.3(7)D1(1), 7.3(3)N1(1), 6.0(2)U3(6), 7.1(5)N1(1), 6.0(2)A6(2a), 6.0(2)A8(11b), 7.0(3)I2(3), 6.0(2)A4(3), 6.0(2)A8(4a), 8.3(1), 6.0(2)U6(3a), 6.0(2)A8(7), 8.2(3), 7.0(3)I6(1), 4.2(1)SV2(2.1a), 5.2(1)SK3(2.1), 9.3(2), 5.2(1)SV3(4.1c), 4.2(1)SV1(4b), 8.2(9), 6.2(5), 9.3(6), 7.0(3)I4(8z), 5.2(1)SV3(1.4b), 6.0(2)A8(3), 6.0(2)A7(1), 7.0(3)I2(2a), 6.0(2)A6(3), 7.1(0)N1(1a), 6.2(31), 5.2(1)SV5(1.3a), 6.2(1), 6.0(2)U6(2), 5.2(1)SV3(1.4), 9.3(11), 7.3(8)N1(1), 7.3(0)N1(1), 7.3(5)D1(1), 6.0(2)A6(5), 9.2(2v), 7.0(3)F2(2), 5.2(1)SK3(2.1a), 7.0(3)F2(1), 6.0(2)U6(5c), 6.0(2)A6(5a), 7.0(3)I2(2d), 6.0(2)U6(5a), 7.0(3)I7(1), 6.2(9c), 8.4(2c), 6.0(2)U6(5), 9.3(7), 6.2(20), 7.0(3)I4(6), 8.4(3), 6.0(2)U3(3), 7.0(3)F3(2), 7.3(7)N1(1b), 5.2(1)SV5(1.1), 6.0(2)U3(2), 6.0(2)A6(7), 6.0(2)U2(2), 5.2(1)SK3(2.2b), 5.2(1)SV5(1.3b), 8.1(2), 6.0(2)U3(4), 8.4(7), 7.0(3)I4(8), 6.0(2)U3(9), 7.3(0)DY(1), 6.2(10), 4.2(1)SV2(2.2), 7.3(1)D1(1), 7.3(6)N1(1), 7.2(0)D1(1), 5.2(1)SV3(1.15), 6.2(2a)

Description

A vulnerability in TACACS+ and RADIUS remote authentication for Cisco NX-OS Software could allow an unauthenticated, local attacker to cause an affected device to unexpectedly reload. This vulnerability is due to incorrect input validation when processing an authentication attempt if the directed request option is enabled for TACACS+ or RADIUS. An attacker could exploit this vulnerability by entering a crafted string at the login prompt of an affected device. A successful exploit could allow the attacker to cause the affected device to unexpectedly reload, resulting in a denial of service (DoS) condition.

Gravité et risque d'exploitation

CVE-2023-20168 obtient un score CVSS de 7.1/10, soit une gravité élevée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 0.24 %, ce qui la place devant 13.7 % des CVE référencées.

Que faire ?

Vérifiez si Cisco NX-OS Software (versions 6.0(2)A8(11a), 7.0(3)I2(1a), 8.2(4), 4.2(1)SV1(5.1), 5.2(1)SV3(1.6), 7.3(13)N1(1), 7.1(0)N1(1), 9.2(4), 6.2(25), 6.0(2)U3(7), 8.2(7), 5.2(1)SM1(5.2c), 6.0(2)A8(9), 6.2(6), 7.3(7)N1(1), 9.3(5), 8.4(2a), 5.2(1)SM3(1.1b), 9.2(2t), 6.0(2)U6(4), 10.2(5), 4.2(1)SV1(5.1a), 8.4(2), 7.0(3)F3(5), 8.4(5), 5.2(1)SV3(1.1), 7.0(3)F1(1), 7.0(3)I2(2), 7.2(2)D1(2), 10.2(2), 7.3(7)N1(1a), 6.0(2)A6(8), 7.0(3)I7(8), 6.2(9), 7.1(1)N1(1), 9.3(7a), 6.2(11), 5.2(1)SM3(1.1), 7.2(1)D1(1), 6.0(2)U5(1), 7.3(8)D1(1), 10.3(2), 8.4(2e), 8.4(4), 6.2(21), 7.3(6)D1(1), 7.0(3)I7(7), 6.0(2)U4(2), 6.0(2)A8(1), 6.0(2)A8(10a), 6.0(2)A8(11), 6.2(12), 9.2(3), 5.2(1)SM3(1.1a), 7.0(3)I2(1), 7.0(3)I7(5a), 6.0(2)A6(6), 6.2(19), 7.1(2)N1(1), 4.2(1)SV1(5.2), 6.2(8a), 7.3(4)D1(1), 8.2(1), 8.4(2b), 5.2(1)SV3(4.1), 6.2(11e), 6.2(22), 5.2(1)SK3(2.2), 6.0(2)A8(8), 6.0(2)U4(4), 6.0(2)A7(2a), 7.1(3)N1(2), 8.0(1), 6.2(8), 6.2(3), 10.2(1q), 7.0(3)I4(3), 7.0(3)F3(1), 6.2(11b), 9.3(9), 7.0(3)I5(2), 7.3(2)D1(3), 6.0(2)U6(1), 7.0(3)I5(1), 5.2(1)SV3(1.5a), 6.2(9b), 5.2(1)SM1(5.2a), 7.1(4)N1(1), 6.0(2)A4(2), 6.2(5a), 10.2(3t), 4.2(1)SV2(2.1), 10.2(3), 6.2(16), 6.0(2)A6(1), 7.3(2)D1(1), 9.3(10), 5.2(1)SV5(1.3c), 6.0(2)A8(10), 4.2(1)SV1(4a), 6.0(2)U6(10), 9.2(1), 6.0(2)U6(8), 7.1(3)N1(1), 7.0(3)I2(2e), 5.2(1)SV3(1.10), 6.2(18), 6.0(2)A4(4), 7.0(3)I4(2), 6.0(2)U3(8), 6.2(17), 6.2(15), 6.0(2)A3(1), 7.0(3)I7(9), 6.0(2)U6(3), 7.0(3)I4(8a), 6.2(24a), 8.2(6), 8.1(2a), 6.0(2)A3(2), 7.3(9)N1(1), 6.2(13a), 8.4(1), 6.2(24), 10.3(1), 7.0(3)I2(2b), 4.2(1)SV1(5.2b), 7.0(3)I7(6), 6.0(2)A8(7b), 7.3(3)D1(1), 6.2(33), 7.3(2)D1(2), 5.2(1)SV5(1.2), 5.2(1)SV3(2.5), 6.2(29), 6.2(11d), 6.0(2)U3(1), 6.2(13), 7.3(0)D1(1), 6.0(2)A7(1a), 10.2(1), 5.2(1)SV3(1.5b), 9.2(1a), 6.0(2)U6(7), 7.3(2)D1(3a), 6.2(11c), 6.0(2)U6(1a), 8.5(1), 6.2(13b), 7.3(0)DX(1), 6.2(27), 6.0(2)U4(1), 6.0(2)U2(5), 6.2(6b), 7.0(3)I2(4), 8.3(2), 7.3(5)N1(1), 6.0(2)A6(4), 6.0(2)U2(1), 8.2(5), 7.3(9)D1(1), 10.1(2), 9.3(1), 7.0(3)I3(1), 8.1(1a), 6.0(2)U5(4), 6.0(2)A8(6), 6.0(2)A4(5), 6.0(2)U5(2), 6.0(2)A8(7a), 6.0(2)U5(3), 8.2(7a), 6.0(2)A4(6), 7.0(3)I6(2), 4.2(1)SV2(2.3), 7.0(3)I2(2c), 6.0(2)U2(6), 7.3(1)N1(1), 7.0(3)I7(3), 5.2(1)SM3(2.1), 7.0(3)I7(2), 6.0(2)U3(5), 6.2(8b), 5.2(1)SV3(1.2), 5.2(1)SV3(2.1), 9.3(4), 7.0(3)F3(3c), 7.3(1)DY(1), 8.4(2f), 6.0(2)A6(2), 7.3(4)N1(1), 6.0(2)U6(5b), 5.2(1)SV5(1.3), 5.2(1)SM3(1.1c), 6.0(2)U6(2a), 6.0(2)A4(1), 6.0(2)U2(4), 10.1(1), 8.2(8), 6.0(2)U6(9), 6.0(2)U2(3), 7.1(5)N1(1b), 7.0(3)F3(3a), 7.0(3)I2(5), 6.0(2)A6(3a), 7.3(2)N1(1), 4.2(1)SV2(1.1), 6.2(14), 8.4(6), 7.0(3)I4(8b), 5.2(1)SV3(3.15), 8.2(2), 6.0(2)U6(4a), 7.0(3)I4(5), 6.0(2)A7(2), 6.0(2)A6(5b), 8.4(2d), 5.2(1)SV3(2.8), 6.2(2), 6.2(23), 7.3(12)N1(1), 7.0(3)I4(1), 6.2(5b), 8.4(6a), 6.2(9a), 6.2(6a), 10.1(2t), 4.2(1)SV1(4), 5.2(1)SV3(3.1), 9.2(2), 7.0(3)I4(4), 6.0(2)U6(6), 7.0(3)I7(5), 10.2(4), 8.4(1a), 4.2(1)SV2(1.1a), 7.3(11)N1(1), 8.4(4a), 9.3(3), 7.0(3)I7(10), 6.2(20a), 5.2(1)SM1(5.1), 6.0(2)A8(4), 7.0(3)F3(4), 7.3(10)N1(1), 5.2(1)SM1(5.2b), 5.2(1)SM1(5.2), 5.2(1)SV3(4.1a), 7.0(3)I4(9), 7.0(3)I7(4), 7.0(3)I4(7), 5.2(1)SK3(1.1), 6.2(7), 6.0(2)A6(1a), 6.0(2)A8(2), 7.2(2)D1(1), 6.0(2)A6(4a), 5.2(1)SV3(1.3), 9.3(8), 6.0(2)A3(4), 8.1(1b), 7.0(3)F3(3), 5.2(1)SV3(4.1b), 6.0(2)A8(5), 6.0(2)U4(3), 7.1(0)N1(1b), 8.1(1), 7.3(7)D1(1), 7.3(3)N1(1), 6.0(2)U3(6), 7.1(5)N1(1), 6.0(2)A6(2a), 6.0(2)A8(11b), 7.0(3)I2(3), 6.0(2)A4(3), 6.0(2)A8(4a), 8.3(1), 6.0(2)U6(3a), 6.0(2)A8(7), 8.2(3), 7.0(3)I6(1), 4.2(1)SV2(2.1a), 5.2(1)SK3(2.1), 9.3(2), 5.2(1)SV3(4.1c), 4.2(1)SV1(4b), 8.2(9), 6.2(5), 9.3(6), 7.0(3)I4(8z), 5.2(1)SV3(1.4b), 6.0(2)A8(3), 6.0(2)A7(1), 7.0(3)I2(2a), 6.0(2)A6(3), 7.1(0)N1(1a), 6.2(31), 5.2(1)SV5(1.3a), 6.2(1), 6.0(2)U6(2), 5.2(1)SV3(1.4), 9.3(11), 7.3(8)N1(1), 7.3(0)N1(1), 7.3(5)D1(1), 6.0(2)A6(5), 9.2(2v), 7.0(3)F2(2), 5.2(1)SK3(2.1a), 7.0(3)F2(1), 6.0(2)U6(5c), 6.0(2)A6(5a), 7.0(3)I2(2d), 6.0(2)U6(5a), 7.0(3)I7(1), 6.2(9c), 8.4(2c), 6.0(2)U6(5), 9.3(7), 6.2(20), 7.0(3)I4(6), 8.4(3), 6.0(2)U3(3), 7.0(3)F3(2), 7.3(7)N1(1b), 5.2(1)SV5(1.1), 6.0(2)U3(2), 6.0(2)A6(7), 6.0(2)U2(2), 5.2(1)SK3(2.2b), 5.2(1)SV5(1.3b), 8.1(2), 6.0(2)U3(4), 8.4(7), 7.0(3)I4(8), 6.0(2)U3(9), 7.3(0)DY(1), 6.2(10), 4.2(1)SV2(2.2), 7.3(1)D1(1), 7.3(6)N1(1), 7.2(0)D1(1), 5.2(1)SV3(1.15), 6.2(2a)) 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.

Références

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-remoteauth-dos-XB6pv74m