5.9

CVE-2024-13987: synology radius_server Cross-site Scripting

CVSS: 5.9v3.1MediumDeferred
Published 29-08-2025Last modified 01-09-2025

Vulnerability summary

CVE-2024-13987 is a medium (CVSS 5.9) Cross-site Scripting vulnerability in synology radius_server. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-08-2025
    PublishedVulnerability first disclosed.
  2. 01-09-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

-0.01 pp

From 0.28% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Synology1 product

1 vendor · 1 product

References

1 links