3.8

CVE-2025-3456: arista networks eos

CVSS: 3.8v3.1LowDeferred
Published 25-08-2025Last modified 12-10-2026
Open JSON

Vulnerability summary

CVE-2025-3456 is a low (CVSS 3.8) vulnerability in arista networks eos. EPSS estimates a 0.10% chance of exploitation in the next 30 days, higher than 1% of scored vulnerabilities.

Overall risk
15/100
0100
Low · default modelHow is this calculated?
CVSS score
3.8/10
010
Low · v3.1 (CVE.org)
EPSS score
0.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-08-2025
    PublishedVulnerability first disclosed.
  2. 12-10-2026
    Last modifiedVulnerability information updated.

Description

On affected platforms running Arista EOS, the global common encryption key configuration may be logged in clear text, in local or remote accounting logs. Knowledge of both the encryption key and protocol specific encrypted secrets from the device running-config could then be used to obtain protocol specific passwords in cases where symmetric passwords are required between devices with neighbor protocol relationships.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.10%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

0.00 pp

From 0.10% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Arista networks1 product
  • eos4.34.0F | ≥ 4.33.0, ≤ 4.33.3F | ≥ 4.32.0, ≤ 4.32.5M | ≥ 4.31.0, ≤ 4.31.7M | ≥ 4.30.0, ≤ 4.30.10M | ≥ 4.29.0, ≤ 4.29.10M

1 vendor · 1 product

References

2 links