CVE-2025-2796
mediumpriority · track · 0EPSS 0.002 · 10 %ileDEEUEPSS · scored 2026-10-28
On affected platforms with hardware IPSec support running Arista EOS with IPsec enabled and anti-replay protection configured, EOS may exhibit unexpected behavior in specific cases. Received duplicate encrypted packets, which should be dropped under normal anti-replay protection, will instead be forwarded due to this vulnerability. Note: this issue does not affect VXLANSec or MACSec encryption functionality.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1159Arista EOS: Mehrere Schwachstellen ermöglichen Umgehen von SicherheitsvorkehrungenDeutsch2025-05-27csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Arista EOS ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-2796cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21413-security-advisory-0119cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21413-security-advisory-0119enisa_euvd
- https://www.arista.com/en/support/advisories-notices/security-advisory/21413-security-advisory-0119nvd
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