Riskcovery

CVE-2021-28510

For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable.

State
Published
Severity
5.3 Medium
Published
Jan 24, 2023
Updated
Apr 1, 2025
Reserved
Mar 16, 2021

Read the record on cve.org

Description

For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) causes the PTP agent to restart. Repeated restarts of the service will make the service unavailable.

Scores

CVSSScoreVectorSource
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LArista

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
EOSArista Networks
  • 4.22Affected
  • 4.27.1 through 4.27.0Affected
  • 4.26.4 through 4.26.0Affected
  • 4.25.6 through 4.25.0Affected
  • 4.24.8 through 4.24.0Affected
  • 4.23.10 through 4.23.0Affected

References

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