CVE-2020-17363: Usvn

Critical severity, CVSS 9.9. EPSS: 4.6% chance of exploitation in the next 30 days.

USVN (aka User-friendly SVN) before 1.0.9 allows remote code execution via shell metacharacters in the number_start or number_end parameter to LastHundredRequest (aka lasthundredrequestAction) in the Timeline module. NOTE: this may overlap CVE-2020-25069.

Affected products

• Usvn Usvn: before 1.0.9 (fixed in 1.0.9)

Published 2020-12-31. Last modified 2026-06-17.