CVE-2021-28496

MEDIUM

Arista EOS 4.22-4.26.1 Authenticated Password Exposure via eAPI

Title source: llm
STIX 2.1

Description

On systems running Arista EOS and CloudEOS with the affected release version, when using shared secret profiles the password configured for use by BiDirectional Forwarding Detection (BFD) will be leaked when displaying output over eAPI or other JSON outputs to other authenticated users on the device. The affected EOS Versions are: all releases in 4.22.x train, 4.23.9 and below releases in the 4.23.x train, 4.24.7 and below releases in the 4.24.x train, 4.25.4 and below releases in the 4.25.x train, 4.26.1 and below releases in the 4.26.x train

References (1)

Core 1

Scores

CVSS v3 5.7
EPSS 0.0042
EPSS Percentile 33.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-522 CWE-311
Status published
Products (1)
arista/eos 4.22 - 4.22.7m
Published Oct 21, 2021
Tracked Since Feb 18, 2026