Vulnerability · Published May 8, 2025 · Assigned by Arista
CVE-2024-12378On 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.
Critical 9.1
In plain English
A critical-severity security flaw in CloudVision Portal from Arista Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 56.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Arista Networks | CloudVision Portal | 4.32.0 – through 4.32.2F4.31.0 – through 4.31.6M4.30.0 – through 4.30.8M4.29.0 – through 4.29.9M4.28.0 – through 4.28.12M4.27.0 – through 4.27.12M |
Weakness: CWE-319 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N