Vulnerability Monitor

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CVE-2021-3331

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.)

Published

2021-01-27T21:15:16.840

Last Modified

2024-11-21T06:21:18.807

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	winscp	winscp	< 5.17.10	Yes

References

https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d Patch, Third Party Advisory ([email protected])
https://winscp.net/eng/docs/history#5.17.10 Release Notes, Vendor Advisory ([email protected])
https://winscp.net/eng/docs/rawsettings Vendor Advisory ([email protected])
https://winscp.net/tracker/1943 Patch, Vendor Advisory ([email protected])
https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://winscp.net/eng/docs/history#5.17.10 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://winscp.net/eng/docs/rawsettings Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://winscp.net/tracker/1943 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)