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Cisco NX-OS: CVE-2023-20185: Cisco ACI Multi-Site CloudSec Encryption Information Disclosure Vulnerability

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Cisco NX-OS: CVE-2023-20185: Cisco ACI Multi-Site CloudSec Encryption Information Disclosure Vulnerability

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:N)
Published
07/05/2023
Created
04/18/2024
Added
04/04/2024
Modified
07/12/2024

Description

A vulnerability in the Cisco ACI Multi-Site CloudSec encryption feature of Cisco Nexus 9000 Series Fabric Switches in ACI mode could allow an unauthenticated, remote attacker to read or modify intersite encrypted traffic. This vulnerability is due to an issue with the implementation of the ciphers that are used by the CloudSec encryption feature on affected switches. An attacker with an on-path position between the ACI sites could exploit this vulnerability by intercepting intersite encrypted traffic and using cryptanalytic techniques to break the encryption. A successful exploit could allow the attacker to read or modify the traffic that is transmitted between the sites. Cisco has not released and will not release software updates that address this vulnerability.

Solution(s)

  • cisco-nx-update-latest

References

  • https://attackerkb.com/topics/cve-2023-20185
  • CVE - 2023-20185
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aci-cloudsec-enc-Vs5Wn2sX
  • cisco-sa-aci-cloudsec-enc-Vs5Wn2sX
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