CVEvulnerability

CVE-2021-28510

7.5 HIGH Published 2023-01-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-01-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-1284, CWE-400

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.

Affected configurations

• arista eos (< 4.23.10) • arista eos (>= 4.24.0 < 4.24.8) • arista eos (>= 4.25.0 < 4.25.6) • arista eos (>= 4.26.0 < 4.26.4) • arista eos (>= 4.27.0 < 4.27.1)

Related

Weakness · CWE (2)

  • CWE-1284 Improper Validation of Specified Quantity in Input weakness
  • CWE-400 Uncontrolled Resource Consumption weakness

References