SARA / Free Tools / CVE / CVE-2023-20251

CVE-2023-20251 — A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) Aire

A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due to memory leaks caused by multiple clients

CVSS
6.1 MEDIUM
EPSS
0.10% (top 73.10%)
CWE
CWE-401
Published
2023-09-27T17:25:25.453Z
Last modified
2024-08-02T09:05:36.727Z
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

A vulnerability in the memory buffer of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause memory leaks that could eventually lead to a device reboot. This vulnerability is due to memory leaks caused by multiple clients connecting under specific conditions. An attacker could exploit this vulnerability by causing multiple wireless clients…

02Affected products

VendorProductVersions
CiscoCisco Wireless LAN Controller (WLC)8.10.162.0, 8.10.151.0, 8.10.171.0, 8.10.170.0, 8.10.181.0, 8.10.182.0, 8.10.183.0, 8.10.185.0
CiscoCisco Mobility Express8.10.183.0, 8.10.162.0, 8.10.151.0, 8.10.185.0, 8.10.171.0, 8.10.182.0, 8.10.181.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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