CVE-2021-32305
CriticalExploitedPublic exploitWebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.
Published May 18, 2021 · Updated Jul 8, 2026
Key Facts
Patch immediately- CVE-2021-32305 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Websvn.
- It is exploited in the wild, listed in Industry KEV feed since Aug 30, 2021. Public exploit code is available.
- EPSS estimates a 87% probability of exploitation in the next 30 days.
- Fixed versions are available, including Websvn 2.6.1-1, Websvn 2.6.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
87%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Aug 30, 2021 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WebsvnWebsvn | See advisory | 2.6.1 |
Patched Releases
Websvn
2.6.1-1, 2.6.1
Timeline
Publicly disclosed
May 18, 2021
Added to Industry KEV feed
Aug 30, 2021
Last updated
Jul 8, 2026
Weakness Type
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
References
- patchhttps://github.com/websvnphp/websvn/pull/142
- exploithttp://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html
- exploitVulnCheck exploitation report
- exploitExploitDB-50042
- exploitVulnCheck exploitation report
FAQ
Common Questions.
WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.
Affected: Websvn. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Aug 30, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Websvn 2.6.1-1, Websvn 2.6.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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