CVE-2023-20112

What it is

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.

At a glance

Exploitability

Can be exploited from the same network segment without logging in. High risk of service disruption.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-03-23 17:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:29 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 7.4 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-03-23 17:15 UTC

Last modified

2026-06-17 05:29 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-126

Record status

Modified

Affected

• 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

Attack profile CVSS 3.1 · 7.4

Attack vector

Adjacent network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2023-20112.md and follow it. Check whether this project is affected by CVE-2023-20112. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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