Vulnerability Description
A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS 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 error validation. An attacker could exploit this vulnerability by sending crafted packets to an affected device. A successful exploit could allow the attacker to cause the wireless LAN controller to crash, resulting in a DoS condition. Note: This vulnerability affects only devices that have Federal Information Processing Standards (FIPS) mode enabled.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Wireless Lan Controller Software | < 8.10.171.0 |
| Cisco | Virtual Wireless Controller | - |
| Cisco | 2504 Wireless Lan Controller | - |
| Cisco | 3504 Wireless Lan Controller | - |
| Cisco | 5508 Wireless Lan Controller | - |
| Cisco | 5520 Wireless Lan Controller | - |
| Cisco | 8540 Wireless Lan Controller | - |
| Cisco | Flex 7510 | - |
Related Weaknesses (CWE)
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wVendor Advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wVendor Advisory
FAQ
What is CVE-2022-20769?
CVE-2022-20769 is a vulnerability with a CVSS score of 7.4 (HIGH). A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) AireOS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) conditio...
How severe is CVE-2022-20769?
CVE-2022-20769 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-20769?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Wireless Lan Controller Software, Cisco Virtual Wireless Controller, Cisco 2504 Wireless Lan Controller, Cisco 3504 Wireless Lan Controller, Cisco 5508 Wireless Lan Controller.