CVE-2023-24513 | BDVDB-2026-199933 Detail

Arista NetworksEOS

Description#

On affected platforms running Arista CloudEOS an issue in the Software Forwarding Engine (Sfe) can lead to a potential denial of service attack by sending malformed packets to the switch. This causes a leak of packet buffers and if enough malformed packets are received, the switch may eventually stop forwarding traffic.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact low. Attack vector: network.

Weaknesses#

CWE-126 Buffer Over-read

References#

https://www.arista.com/en/support/advisories-notices/security-advisory/17240-security-advisory-0085

Exploit#

No public exploit known

History#

Version 12023-04-12Record published in the CVE List.
Version 22025-02-07Most recent update recorded in the CVE List.

Published

Published: 2023-04-12
Last modified: 2025-02-07

Vendor information

Vendor: Arista Networks
Product: EOS

All Arista Networks vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 52.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 4.29.0 and <= 4.29.1F
Fixed
Not stated
Vulnerable
>= 4.28.0 and <= 4.28.5M
Fixed
Not stated
Vulnerable
>= 4.27.0 and <= 4.27.8M
Fixed
Not stated
Vulnerable
>= 4.26.0 and <= 4.26.9M
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	None
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).