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.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.27%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 29-08-2025PublishedVulnerability first disclosed.
- 01-09-2025Last 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 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:LSourcesAll 2 agree
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
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 score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Synology1 product
- radius_server< 3.0.27-0453 | < 3.0.27-0516 | < 3.0.27-0139
1 vendor · 1 product