CVE-2021-3331 Information

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.)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://winscp.net/eng/docs/history#5.17.10 https://winscp.net/eng/docs/rawsettings https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d https://winscp.net/tracker/1943

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8