RCE in Usvn

CVE-2020-17363

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Usvn
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-17363?
CVE-2020-17363 is a critical-severity vulnerability in Usvn, classified under OS Command Injection. CVSS score: 9.9/10. Published 2020-12-31.
How severe is CVE-2020-17363?
Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2020-17363 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.