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Vulnerabilities

Vulnerability · 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 pr

Published Aug 29, 2025 · catalog updated Sep 1, 2025 · Synology RADIUS Server

Check if you run it

No confirmed exploitation is on record for CVE-2024-13987. EPSS is 0.27%. Act only if a listed version of Synology RADIUS Server is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.27%
Remediation
Version ranges on file
Affected products
vendor Synology RADIUS Server * <3.0.27-0516

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Synology RADIUS Server * <3.0.27-0516* <3.0.27-0516

How to fix CVE-2024-13987

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2024-13987. EPSS is 0.27%. Act only if a listed version of Synology RADIUS Server is installed.

Which versions are affected?

Compare what you have installed with Synology RADIUS Server * <3.0.27-0516 * <3.0.27-0516. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 29, 2025 · EUVD

    Detected

    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.

  2. Sep 1, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2024-13987

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-13987

    30-day exploitation probability 0.27%

    first.org
  • EUVDVulnerability recordEUVD-2024-54937

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.