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Medium severity5.7NVD Advisory· Published Oct 21, 2021· Updated Jun 17, 2026

CVE-2021-28496

CVE-2021-28496

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Arista/Eos2 versions
    cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*range: >=4.22,<=4.22.7m
    • (no CPE)range: 4.22.x, 4.23.9 and below, 4.24.7 and below, 4.25.4 and below, 4.26.1 and below
  • Arista/CloudEOSllm-fuzzy
    Range: 4.22.x, 4.23.9 and below, 4.24.7 and below, 4.25.4 and below, 4.26.1 and below
  • Arista Networks/Arista EOSv5
    Range: EOS-4.22

Patches

Vulnerability mechanics

References

1

News mentions

0

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