CVE-2024-12378: arista networks cloudvision portal
CVSS: 9.1v3.1CriticalDeferred
Published 08-05-2025Last modified 08-05-2025
Vulnerability summary
CVE-2024-12378 is a critical (CVSS 9.1) vulnerability in arista networks cloudvision portal. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.6% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-05-2025PublishedVulnerability first disclosed.
- 08-05-2025Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 versionCritical 9.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesAll 2 agree
- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.50% on 19-09-2026
19-09-202619-10-2026
EPSS score0.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arista networks1 product
- cloudvision portal≥ 4.32.0, ≤ 4.32.2F | ≥ 4.31.0, ≤ 4.31.6M | ≥ 4.30.0, ≤ 4.30.8M | ≥ 4.29.0, ≤ 4.29.9M | ≥ 4.28.0, ≤ 4.28.12M | ≥ 4.27.0, ≤ 4.27.12M
1 vendor · 1 product