CVE-2025-20258: A vulnerability in the self-service portal of Cisco Duo could allow an unauthenticated, remote attacker to inject arbitrary commands into emails...
Description
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.
Classification
CVE ID: CVE-2025-20258
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Affected Products
Vendor: Cisco
Product: Cisco Duo
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 4.92% (scored less or equal to compared to others)
EPSS Date: 2025-05-30 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-20258https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-duo-ssp-cmd-inj-RCmYrNA