CVE-2021-28510

CWE-400 — Uncontrolled Resource ConsumptionCWE-12843 documents3 sources
Severity
7.5HIGH
EPSS
0.6%
top 31.53%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Arista EOSArista Networks EOS
Timeline
PublishedJan 26

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDarista/eos4.24.0 — 4.24.8+4
▶CVEListV5arista_networks/eos4.27.1 — 4.27.0+5

🔴Vulnerability Details

2
GHSA
GHSA-c5c5-rwc6-67m5: For certain systems running EOS, a Precision Time Protocol (PTP) packet of a management/signaling message with an invalid Type-Length-Value (TLV) caus↗2023-01-26
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CVEList
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 ↗2023-01-24
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