6.5

CVE-2024-6858: arista networks eos

CVSS: 6.5v3.1MediumAwaiting analysis
Published 04-06-2026Last modified 05-06-2026
Open JSON

Vulnerability summary

CVE-2024-6858 is a medium (CVSS 6.5) vulnerability in arista networks eos. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.14%
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. 04-06-2026
    PublishedVulnerability first disclosed.
  2. 05-06-2026
    Last modifiedVulnerability information updated.

Description

In Arista’s EOS when in 802.1X mode, multi-auth unauthenticated hosts might be allowed access to a switch port if there exists an EAPOL capable device in the fallback VLAN.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.14%

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
  • eos≥ 4.31.0, ≤ 4.31.1F | ≥ 4.30.0, ≤ 4.30.5M | ≥ 4.29.0, ≤ 4.29.7M | ≥ 4.28.10, ≤ 4.28.10.1M

1 vendor · 1 product

References

1 links