XSS in Cisco Asyncos
CVE-2024-20504
A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email and Web Manager, Secure Email Gateway, and Secure Web Appliance 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.
EPSS: 0.003 (19.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Cisco Asyncos — versions 14.0.0-698, 14.2.0-620, 14.2.1-020
- Cisco Secure Email — versions 14.0.0-698, 14.2.0-620, 14.2.1-020
- Cisco Secure Email And Web Manager — versions 14.0.0-404, 14.1.0-223, 14.1.0-227
- Cisco Secure Web Appliance — versions 14.1.0-032, 14.1.0-047, 14.1.0-041
- 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
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-20504?
- CVE-2024-20504 is a medium-severity vulnerability in Cisco Asyncos, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2024-11-06.
- How severe is CVE-2024-20504?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2024-20504 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.