Paper/Archive/CVE-2021-28506

CVE-2021-28506

Arista Networks EOS — An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

EPSS 1%CVSS 9.1

critical.is priorityof 100

CVSS 9.1 (CNA, NVD agree)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 72.8.728 × 2014.6 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

Affected

ProductAffectedFixed inSource

EOS4.26.2F – 4.26.0–CNA

EOS4.25.5.1M – 4.25.5–CNA

EOS4.25.4M – 4.25.4–CNA

EOS4.25.3 – 4.25.0–CNA

EOS4.24.7M – 4.24.2F–CNA

Scores by source

Arista (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

refarista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071