Vulnerability identifier: #VU87900

Vulnerability risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-20354

CWE-ID: CWE-460

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
800 and 1900 Series ISR Integrated Access Points
Other software / Other software solutions
Aironet 1700 Series Access Points
Other software / Other software solutions
Aironet 2700 Series Access Points
Other software / Other software solutions
Aironet 3700 Series Access Points
Other software / Other software solutions
Industrial Wireless 3700 Series
Other software / Other software solutions
Wireless LAN Controller Software
Other software / Other software solutions
Aironet 1530 Series Outdoor Access Points
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aironet 1552 Outdoor Access Points
Hardware solutions / Routers & switches, VoIP, GSM, etc
Aironet 1570 Series Outdoor Access Points
Hardware solutions / Routers & switches, VoIP, GSM, etc
Catalyst 9800 Series Wireless Controller Software
Hardware solutions / Firmware

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incomplete cleanup of resources when dropping certain malformed frames. A remote attacker on the local network can cause degradation of service to other clients and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

800 and 1900 Series ISR Integrated Access Points: All versions

Aironet 1530 Series Outdoor Access Points: All versions

Aironet 1552 Outdoor Access Points: All versions

Aironet 1570 Series Outdoor Access Points: All versions

Aironet 1700 Series Access Points: All versions

Aironet 2700 Series Access Points: All versions

Aironet 3700 Series Access Points: All versions

Industrial Wireless 3700 Series: All versions

Wireless LAN Controller Software: 8.5.171.0 - 8.10.130.0

Catalyst 9800 Series Wireless Controller Software: 16.12.4a - 17.12

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External links
http://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-airo-ap-dos-PPPtcVW

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.