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Known Exploited Vulnerabilities CVE-2022-20703 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-2022-20703 Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability exploitation_technique T1203 Exploitation for Client Execution
Comments
This Digital Signature Verification Bypass vulnerability is exploited by an unauthenticated, local attacker. The attacker exploits an improper verification of software images that could allow the attacker to install and boot malicious images or execute unsigned binaries.
References
  1. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
  2. https://www.zerodayinitiative.com/advisories/ZDI-22-408/