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VULNERABILITIES

CVE-2021-3331 Details

Description

WinSCP before 5.17.10 allows remote attackers to execute arbitrary programs when the URL handler encounters a crafted URL that loads session settings. (For example, this is exploitable in a default installation in which WinSCP is the handler for sftp:// URLs.)

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d CVEPatchThird Party Advisory
https://winscp.net/eng/docs/history#5.17.10 CVERelease NotesVendor Advisory
https://winscp.net/eng/docs/rawsettings CVEVendor Advisory
https://winscp.net/tracker/1943 CVEPatchVendor Advisory
https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d [email protected]PatchThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-OtherWeakness Not in a Standard CWE Category[email protected]

Affected Products

ProductVersions
winscp winscp
< 5.17.10

CPE

  • cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-3331
NVD Published Date:
Jan 27, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-3331 Details - Not Deferred