XSS in Cisco Asyncos
CVE-2025-20180
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager and Secure Email Gateway could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of Operator.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.003 (24.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cisco Asyncos — versions 12.8.1-002, 12.8.1-021, 13.0.0-249
- Cisco Secure Email — versions 14.0.0-698, 13.5.1-277, 13.0.0-392
- Cisco Secure Email And Web Manager — versions 13.6.2-023, 13.6.2-078, 13.0.0-249
- Cisco Secure_email_and_web_manager_m170
- Cisco Secure_email_and_web_manager_m190
- Cisco Secure_email_and_web_manager_m195
- Cisco Secure_email_and_web_manager_m380
- Cisco Secure_email_and_web_manager_m390
- Cisco Secure_email_and_web_manager_m390x
- Cisco Secure_email_and_web_manager_m395
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20180?
- CVE-2025-20180 is a medium-severity vulnerability in Cisco Asyncos, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2025-02-05.
- How severe is CVE-2025-20180?
- Medium severity. CVSS v3 base score is 4.8 out of 10.