CVE-2022-20821

Cisco IOS XR Open Port Vulnerability

Ios Xr

A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container. This vulnerability exists because the health check RPM opens TCP port 6379 by default upon activation. An attacker could exploit this vulnerability by connecting to the Redis instance on the open port. A successful exploit could allow the attacker to write to the Redis in-memory database…

26. Mai 2022

Ausgewertete Quellen

• Hersteller
  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-redis-ABJyE5xK
• CISA
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-20821
• CISA
  Cisco IOS XR Open Port Vulnerability
• NVD
  CVE-2022-20821