Denial of service in Cisco Aironet Access Point Software

1) Improper Cleanup on Thrown Exception

EUVDB-ID: #VU87900

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 - Improper Cleanup on Thrown Exception

Exploit availability: No

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

External links

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

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.