cve.bz

CVE-2021-28503

9.8 criticalEPSS 0.7%

Critical (9.8) in arista eos. EPSS 0.7% chance of exploitation in the next 30 days.

The impact of this vulnerability is that Arista's EOS eAPI may skip re-evaluating user credentials when certificate based authentication is used, which allows remote attackers to access the device via eAPI.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWEs
CWE-287, CWE-305
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON