CVE-2024-27891 — MEDIUM (5.3)

Vulnerability Description

On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports. This can cause outgoing packets to incorrectly be allowed or denied.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://www.arista.com/en/support/advisories-notices/security-advisory/19908-sec

FAQ

What is CVE-2024-27891?

CVE-2024-27891 is a vulnerability with a CVSS score of 5.3 (MEDIUM). On affected platforms running Arista EOS with MACsec and egress ACLs configured on the same interfaces, the ACL policies may not be enforced for packets egressing on those ports. This can cause outgoi...

How severe is CVE-2024-27891?

CVE-2024-27891 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-27891?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.