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
CVSS
9.8
Critical
EPSS
7.7%
p95
KEV
—
Exploit Today
28
0-100
Published: Jan 27, 2021 · Last modified: Oct 8, 2026
7.6%EPSS · 30 days7.7%
2026-10-172026-11-13
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.)
- github.comhttps://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d
- winscp.nethttps://winscp.net/eng/docs/history#5.17.10
- winscp.nethttps://winscp.net/eng/docs/rawsettings
- winscp.nethttps://winscp.net/tracker/1943
- github.comhttps://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d
- winscp.nethttps://winscp.net/eng/docs/history#5.17.10
- winscp.nethttps://winscp.net/eng/docs/rawsettings
- winscp.nethttps://winscp.net/tracker/1943
No related CVEs by CWE or product.