CVE-2021-28510
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Arista Eos
PublishedJan 26, 2023
First seenJan 26, 2023
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- arista eos4.23.10, 4.24.8, 4.25.6, 4.26.4, 4.27.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arista eos | v < 4.23.10, 4.24.0 ≤ v < 4.24.8, 4.25.0 ≤ v < 4.25.6, 4.26.0 ≤ v < 4.26.4, 4.27.0 ≤ v < 4.27.1 | 4.23.10, 4.24.8, 4.25.6, 4.26.4, 4.27.1 |
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