CVE-2022-20622
A vulnerability in IP ingress packet processing of the Cisco Embedded Wireless Controller with Catalyst Access Points Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, causing a denial of service (DoS) condition. The device may experience a performance degradation in traffic processing or high CPU usage prior to the unexpected reload. This vulnerability is due to improper rate limiting of IP packets to the management interface. An attacker could exploit this vulnerability by sending a steady stream of IP traffic at a high rate to the management interface of the affected device. A successful exploit could allow the attacker to cause the device to reload.
EPSS 1.88% · 83.5th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cisco | aironet_access_point_software | 17.3, 17.4 |
| Cisco | Cisco Aironet Access Point Software | n/a |
Exploit Intelligence
Timeline
- Apr 14, 2022 CVE Published
- Apr 16, 2022 EPSS Score
- Jun 5, 2022 EPSS Score
- Jul 26, 2022 EPSS Score
- Nov 4, 2022 EPSS Score
- Dec 24, 2022 EPSS Score
- Feb 12, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 3, 2023 EPSS Score
- Jul 12, 2023 EPSS Score
- Aug 31, 2023 EPSS Score
- Oct 21, 2023 EPSS Score
References
- 20220413 Cisco Embedded Wireless Controller with Catalyst Access Points IP Flood Denial of Service Vulnerability vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-20622 advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-snmp-trap-dos-mjent3Ey advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ewlc-priv-esc-ybvHKO5 advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ncossh-dos-ZAkfOdq8 advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-fnf-dos-bOL5vLge advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cdb-cmicr-vulns-KJjFtNb advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-privesc-vman-tEJFpBSL advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lsplus-Z6AQEOjk advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-c9800-capwap-mdns-6PSn7gKU advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-file-access-VW36d28P advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-wlc-auth-bypass-JRNhV4fF advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-appnav-xe-dos-j5MXTR4 advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-dos-svOdkdBS advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cgr1k-ap-dos-mSZR4QVh advisory