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.
Published 2023-01-26 21:15:22
Updated 2023-06-30 21:28:04
View at NVD,
Vulnerability category: Input validation

Exploit prediction scoring system (EPSS) score for CVE-2021-28510

Probability of exploitation activity in the next 30 days: 0.08%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 31 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-28510

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
Arista Networks, Inc.

CWE ids for CVE-2021-28510

  • The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
    Assigned by:
    • (Primary)
    • (Secondary)
  • The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
    Assigned by: (Primary)

References for CVE-2021-28510

Products affected by CVE-2021-28510

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