CVE-2024-12378 — CRITICAL (9.1)

Vulnerability Description

On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-319

References

https://www.arista.com/en/support/advisories-notices/security-advisory/21289-sec

FAQ

What is CVE-2024-12378?

CVE-2024-12378 is a vulnerability with a CVSS score of 9.1 (CRITICAL). On affected platforms running Arista EOS with secure Vxlan configured, restarting the Tunnelsec agent will result in packets being sent over the secure Vxlan tunnels in the clear.

How severe is CVE-2024-12378?

CVE-2024-12378 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2024-12378?

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