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Fencer Vulns
critical 9.8

CVE-2021-32305 in the critical feed json

WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.

published 2021-05-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19159

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
87.3%
EPSS 87.3% chance of exploitation in 30 days, percentile 99.7%
public exploits
1
Exploit-DB, plus a Nuclei check

Summary

WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.

Patch / fix

  • websvn websvn 2.6.1
  • websvn Arch Linux 2.6.1-1

arch linux advisories AVG-1969

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-32305 updated cvss 9.8

websvn: arbitrary code execution via search parameter

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-50042)

Exploit prediction

87.30% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50042 Websvn 2.6.0 - Remote Code Execution (Unauthenticated) webapps, 2021-06-21
  • Nuclei template Websvn <2.6.1 - Remote Code Execution nuclei detection template
  • packetstormsecurity.com http://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.