SB2020090939 - Arista CloudVision Portal update for pam_tacplus



SB2020090939 - Arista CloudVision Portal update for pam_tacplus

Published: September 9, 2020 Updated: May 17, 2025

Security Bulletin ID SB2020090939
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Inclusion of Sensitive Information in Log Files (CVE-ID: CVE-2020-13881)

CWE-ID: CWE-532 - Information Exposure Through Log Files

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N/E:U/U:Green


The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to software stores TACACS+ encryption key into log file if the DEBUG loglevel and journald are used. A local user can read the log files and gain access to sensitive data. This information can be used to decrypt communication between the TACACS+ server and the end user, exposing authentication credentials.


Remediation

Install update from vendor's website.