What is CVE-2024-13987?

CVE-2024-13987 is a medium-severity vulnerability in Synology Radius Server, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2025-08-29.

How severe is CVE-2024-13987?

Medium severity. CVSS v3 base score is 5.9 out of 10.

XSS in Synology Radius Server

CVE-2024-13987

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Synology RADIUS Server allows remote authenticated users with administrator privileges to read or write limited files in SRM and conduct limited denial-of-service via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Affected products

Synology Radius Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security@synology.com (vendor-advisory)

Frequently asked questions

What is CVE-2024-13987?: CVE-2024-13987 is a medium-severity vulnerability in Synology Radius Server, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2025-08-29.
How severe is CVE-2024-13987?: Medium severity. CVSS v3 base score is 5.9 out of 10.