CVE-2020-17363

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-12-31 · updated 2026-06-17
Weakness: CWE-78

Description

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 Team User-friendly SVN (USVN): before 1.0.9 — fixed in 1.0.9

How to fix

Upgrade to a fixed version: USVN Team User-friendly SVN (USVN) 1.0.9. Check the vendor advisory for mitigations.

References

https://sysdream.com/news/lab/2020-08-12-cve-2020-17363-usvn-remote-code-execution/
https://sysdream.com/news/lab/2020-08-12-cve-2020-17363-usvn-remote-code-execution/

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