synced JUST NOW
01 Record

CVE-2023-20251

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

MediumPUBLISHEDCNA: cisco
CNA base score6.1 CVSS v3.xCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.26% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 17.8% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-09-27 17:25Z3 YR AGO
Last updated
2024-08-02 09:05Z2 YR AGO
Reserved
2022-10-27
Assigning CNA
cisco
Record state
PUBLISHED
Severity
Medium (CVSS 6.1)
CNA CVSS vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Weaknesses
  • CWE-401Missing Release of Memory after Effective LifetimeVariant
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
Data version
5.1
Document digest
c24e91c2b90e7af47e0d52a9e3503ea7ac762977c40fb90e5c882503b5aedd38

05 Affected products

VendorProductVersionsPlatforms
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—

06 References