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Known Exploited Vulnerabilities CVE-2022-20699 Mappings

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.

Mappings

Capability ID Capability Description Mapping Type ATT&CK ID ATT&CK Name Notes
CVE-2022-20699 Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability primary_impact T1059.004 Unix Shell
Comments
This vulnerability is exploited by a remote, unauthenticated attacker by "sending a specially crafted HTTP request to a vulnerable device that is acting as an SSL VPN Gateway.” This can be performed due to insufficient boundary checks when processing specific HTTP requests. If exploited, this could grant root privileges to the attacker.
References
  1. https://www.tenable.com/blog/cve-2022-20699-cve-2022-20700-cve-2022-20708-critical-flaws-in-cisco-small-business-rv-series
  2. https://www.zerodayinitiative.com/advisories/ZDI-22-414/
  3. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
CVE-2022-20699 Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability exploitation_technique T1133 External Remote Services
Comments
This vulnerability is exploited by a remote, unauthenticated attacker by "sending a specially crafted HTTP request to a vulnerable device that is acting as an SSL VPN Gateway.” This can be performed due to insufficient boundary checks when processing specific HTTP requests. If exploited, this could grant root privileges to the attacker.
References
  1. https://www.tenable.com/blog/cve-2022-20699-cve-2022-20700-cve-2022-20708-critical-flaws-in-cisco-small-business-rv-series
  2. https://www.zerodayinitiative.com/advisories/ZDI-22-414/
  3. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D