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Fencer Vulns
high 7.4

CVE-2023-20112 json

Cisco Access Point Software Association Request Denial of Service Vulnerability

published 2023-03-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24291

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits
0
none known

Summary

A vulnerability in Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of certain parameters within 802.11 frames. An attacker could exploit this vulnerability by sending a wireless 802.11 association request frame with crafted parameters to an affected device. A successful exploit could allow the attacker to cause an unexpected reload of an affected device, resulting in a DoS condition.

Patch / fix

  • cisco business_150ax_firmware 10.3.2.0
  • cisco business_151axm_firmware 10.3.2.0
  • cisco catalyst_9105ax_firmware 10.3.2.0
  • cisco catalyst_9105axi_firmware 10.3.2.0
  • cisco catalyst_9105axw_firmware 10.3.2.0
  • cisco catalyst_9105i_firmware 10.3.2.0
  • cisco catalyst_9105w_firmware 10.3.2.0
  • cisco catalyst_9115_firmware 10.3.2.0
  • cisco catalyst_9115ax_firmware 10.3.2.0
  • cisco catalyst_9115axe_firmware 10.3.2.0
  • cisco catalyst_9115axi_firmware 10.3.2.0
  • cisco catalyst_9117_firmware 10.3.2.0
  • cisco catalyst_9117ax_firmware 10.3.2.0
  • cisco catalyst_9117axi_firmware 10.3.2.0
  • cisco catalyst_9120_firmware 10.3.2.0
  • cisco catalyst_9120ax_firmware 10.3.2.0
  • cisco catalyst_9120axe_firmware 10.3.2.0
  • cisco catalyst_9120axi_firmware 10.3.2.0
  • cisco catalyst_9120axp_firmware 10.3.2.0
  • cisco catalyst_9124_firmware 10.3.2.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
NVD 3.1 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Cisco Cisco Aironet Access Point Software

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.