A vulnerability in the self-service portal of Cisco Duo could allow an unauthenticated, remote attacker to inject arbitrary commands into emails that are sent by the service.
This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by injecting arbitrary commands into a portion of an email that is sent by the service. A successful exploit could allow the attacker to send emails that contain malicious content to unsuspecting users.
Cisco Duo has addressed this vulnerability in the service, and no customer action is necessary to update on-premises software or devices. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-ssp-cmd-inj-RCmYrNA
Security Impact Rating: Medium
CVE: CVE-2025-20258
http://news.poseidon-us.com/TKvdtz
