Unrated severityNVD Advisory· Published Jan 24, 2023· Updated Apr 1, 2025
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.
CVE-2021-28510
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.
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Affected products
2- Arista Networks/EOSv5Range: 4.22
Patches
Vulnerability mechanics
References
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