SB2025052767 - IPSec restrictions bypass in Arista EOS
Published: May 27, 2025
Security Bulletin ID
SB2025052767
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2025-2796)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions on platforms with hardware IPSec support and anti-replay protection configured. A remote attacker can send duplicate encrypted packets that will be forwarded instead of being dropped.
Remediation
Install update from vendor's website.