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Vulnerabilities
Vulnerable Software

Vulnerability Details 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.)
Exploit prediction scoring system (EPSS) score
EPSS Score 0.075
EPSS Ranking 91.3%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
Products affected by CVE-2021-3331
  • Winscp » Winscp » Version: 2.0
    cpe:2.3:a:winscp:winscp:2.0
  • Winscp » Winscp » Version: 2.1
    cpe:2.3:a:winscp:winscp:2.1
  • Winscp » Winscp » Version: 2.2
    cpe:2.3:a:winscp:winscp:2.2
  • Winscp » Winscp » Version: 2.2.3
    cpe:2.3:a:winscp:winscp:2.2.3
  • Winscp » Winscp » Version: 2.3
    cpe:2.3:a:winscp:winscp:2.3
  • Winscp » Winscp » Version: 3.0
    cpe:2.3:a:winscp:winscp:3.0
  • Winscp » Winscp » Version: 3.1
    cpe:2.3:a:winscp:winscp:3.1
  • Winscp » Winscp » Version: 3.2
    cpe:2.3:a:winscp:winscp:3.2
  • Winscp » Winscp » Version: 3.2.1
    cpe:2.3:a:winscp:winscp:3.2.1
  • Winscp » Winscp » Version: 3.3
    cpe:2.3:a:winscp:winscp:3.3
  • Winscp » Winscp » Version: 3.4
    cpe:2.3:a:winscp:winscp:3.4
  • Winscp » Winscp » Version: 3.4.1
    cpe:2.3:a:winscp:winscp:3.4.1
  • Winscp » Winscp » Version: 3.4.2
    cpe:2.3:a:winscp:winscp:3.4.2
  • Winscp » Winscp » Version: 3.5
    cpe:2.3:a:winscp:winscp:3.5
  • Winscp » Winscp » Version: 3.5.5
    cpe:2.3:a:winscp:winscp:3.5.5
  • Winscp » Winscp » Version: 3.5.6
    cpe:2.3:a:winscp:winscp:3.5.6
  • Winscp » Winscp » Version: 3.6
    cpe:2.3:a:winscp:winscp:3.6
  • Winscp » Winscp » Version: 3.6.1
    cpe:2.3:a:winscp:winscp:3.6.1
  • Winscp » Winscp » Version: 3.6.5
    cpe:2.3:a:winscp:winscp:3.6.5
  • Winscp » Winscp » Version: 3.6.6
    cpe:2.3:a:winscp:winscp:3.6.6
  • Winscp » Winscp » Version: 3.6.7
    cpe:2.3:a:winscp:winscp:3.6.7
  • Winscp » Winscp » Version: 3.6.8
    cpe:2.3:a:winscp:winscp:3.6.8
  • Winscp » Winscp » Version: 3.7
    cpe:2.3:a:winscp:winscp:3.7
  • Winscp » Winscp » Version: 3.7.1
    cpe:2.3:a:winscp:winscp:3.7.1
  • Winscp » Winscp » Version: 3.7.2
    cpe:2.3:a:winscp:winscp:3.7.2
  • Winscp » Winscp » Version: 3.7.3
    cpe:2.3:a:winscp:winscp:3.7.3
  • Winscp » Winscp » Version: 3.7.4
    cpe:2.3:a:winscp:winscp:3.7.4
  • Winscp » Winscp » Version: 3.7.5
    cpe:2.3:a:winscp:winscp:3.7.5
  • Winscp » Winscp » Version: 3.7.6
    cpe:2.3:a:winscp:winscp:3.7.6
  • Winscp » Winscp » Version: 3.8
    cpe:2.3:a:winscp:winscp:3.8
  • Winscp » Winscp » Version: 3.8.1
    cpe:2.3:a:winscp:winscp:3.8.1
  • Winscp » Winscp » Version: 3.8.2
    cpe:2.3:a:winscp:winscp:3.8.2
  • Winscp » Winscp » Version: 3.8_beta
    cpe:2.3:a:winscp:winscp:3.8_beta
  • Winscp » Winscp » Version: 4.0
    cpe:2.3:a:winscp:winscp:4.0
  • Winscp » Winscp » Version: 4.0.1
    cpe:2.3:a:winscp:winscp:4.0.1
  • Winscp » Winscp » Version: 4.0.2
    cpe:2.3:a:winscp:winscp:4.0.2
  • Winscp » Winscp » Version: 4.0.3
    cpe:2.3:a:winscp:winscp:4.0.3
  • Winscp » Winscp » Version: 4.0.4
    cpe:2.3:a:winscp:winscp:4.0.4
  • Winscp » Winscp » Version: 4.0.5
    cpe:2.3:a:winscp:winscp:4.0.5
  • Winscp » Winscp » Version: 4.0.6
    cpe:2.3:a:winscp:winscp:4.0.6
  • Winscp » Winscp » Version: 4.0.7
    cpe:2.3:a:winscp:winscp:4.0.7
  • Winscp » Winscp » Version: 4.1
    cpe:2.3:a:winscp:winscp:4.1
  • Winscp » Winscp » Version: 4.1.1
    cpe:2.3:a:winscp:winscp:4.1.1
  • Winscp » Winscp » Version: 4.1.2
    cpe:2.3:a:winscp:winscp:4.1.2
  • Winscp » Winscp » Version: 4.1.3
    cpe:2.3:a:winscp:winscp:4.1.3
  • Winscp » Winscp » Version: 4.1.4
    cpe:2.3:a:winscp:winscp:4.1.4
  • Winscp » Winscp » Version: 4.1.5
    cpe:2.3:a:winscp:winscp:4.1.5
  • Winscp » Winscp » Version: 4.1.6
    cpe:2.3:a:winscp:winscp:4.1.6
  • Winscp » Winscp » Version: 4.1.7
    cpe:2.3:a:winscp:winscp:4.1.7
  • Winscp » Winscp » Version: 4.1.8
    cpe:2.3:a:winscp:winscp:4.1.8
  • Winscp » Winscp » Version: 4.1.9
    cpe:2.3:a:winscp:winscp:4.1.9
  • Winscp » Winscp » Version: 4.2
    cpe:2.3:a:winscp:winscp:4.2
  • Winscp » Winscp » Version: 4.2.1
    cpe:2.3:a:winscp:winscp:4.2.1
  • Winscp » Winscp » Version: 4.2.2
    cpe:2.3:a:winscp:winscp:4.2.2
  • Winscp » Winscp » Version: 4.2.3
    cpe:2.3:a:winscp:winscp:4.2.3
  • Winscp » Winscp » Version: 4.2.4
    cpe:2.3:a:winscp:winscp:4.2.4
  • Winscp » Winscp » Version: 4.2.5
    cpe:2.3:a:winscp:winscp:4.2.5
  • Winscp » Winscp » Version: 4.2.6
    cpe:2.3:a:winscp:winscp:4.2.6
  • Winscp » Winscp » Version: 4.2.7
    cpe:2.3:a:winscp:winscp:4.2.7
  • Winscp » Winscp » Version: 4.2.8
    cpe:2.3:a:winscp:winscp:4.2.8
  • Winscp » Winscp » Version: 4.2.9
    cpe:2.3:a:winscp:winscp:4.2.9
  • Winscp » Winscp » Version: 4.3
    cpe:2.3:a:winscp:winscp:4.3
  • Winscp » Winscp » Version: 4.3.1
    cpe:2.3:a:winscp:winscp:4.3.1
  • Winscp » Winscp » Version: 4.3.2
    cpe:2.3:a:winscp:winscp:4.3.2
  • Winscp » Winscp » Version: 4.3.3
    cpe:2.3:a:winscp:winscp:4.3.3
  • Winscp » Winscp » Version: 4.3.4
    cpe:2.3:a:winscp:winscp:4.3.4
  • Winscp » Winscp » Version: 4.3.5
    cpe:2.3:a:winscp:winscp:4.3.5
  • Winscp » Winscp » Version: 4.3.6
    cpe:2.3:a:winscp:winscp:4.3.6
  • Winscp » Winscp » Version: 4.3.7
    cpe:2.3:a:winscp:winscp:4.3.7
  • Winscp » Winscp » Version: 4.3.8
    cpe:2.3:a:winscp:winscp:4.3.8
  • Winscp » Winscp » Version: 4.3.9
    cpe:2.3:a:winscp:winscp:4.3.9
  • Winscp » Winscp » Version: 4.4
    cpe:2.3:a:winscp:winscp:4.4
  • Winscp » Winscp » Version: 4.4.0
    cpe:2.3:a:winscp:winscp:4.4.0
  • Winscp » Winscp » Version: 5.0
    cpe:2.3:a:winscp:winscp:5.0
  • Winscp » Winscp » Version: 5.0.1
    cpe:2.3:a:winscp:winscp:5.0.1
  • Winscp » Winscp » Version: 5.0.2
    cpe:2.3:a:winscp:winscp:5.0.2
  • Winscp » Winscp » Version: 5.0.3
    cpe:2.3:a:winscp:winscp:5.0.3
  • Winscp » Winscp » Version: 5.0.4
    cpe:2.3:a:winscp:winscp:5.0.4
  • Winscp » Winscp » Version: 5.0.5
    cpe:2.3:a:winscp:winscp:5.0.5
  • Winscp » Winscp » Version: 5.0.6
    cpe:2.3:a:winscp:winscp:5.0.6
  • Winscp » Winscp » Version: 5.0.7
    cpe:2.3:a:winscp:winscp:5.0.7
  • Winscp » Winscp » Version: 5.0.8
    cpe:2.3:a:winscp:winscp:5.0.8
  • Winscp » Winscp » Version: 5.0.9
    cpe:2.3:a:winscp:winscp:5.0.9
  • Winscp » Winscp » Version: 5.1
    cpe:2.3:a:winscp:winscp:5.1
  • Winscp » Winscp » Version: 5.1.1
    cpe:2.3:a:winscp:winscp:5.1.1
  • Winscp » Winscp » Version: 5.1.2
    cpe:2.3:a:winscp:winscp:5.1.2
  • Winscp » Winscp » Version: 5.1.3
    cpe:2.3:a:winscp:winscp:5.1.3
  • Winscp » Winscp » Version: 5.1.4
    cpe:2.3:a:winscp:winscp:5.1.4
  • Winscp » Winscp » Version: 5.1.5
    cpe:2.3:a:winscp:winscp:5.1.5
  • Winscp » Winscp » Version: 5.1.6
    cpe:2.3:a:winscp:winscp:5.1.6
  • Winscp » Winscp » Version: 5.1.7
    cpe:2.3:a:winscp:winscp:5.1.7
  • Winscp » Winscp » Version: 5.1.8
    cpe:2.3:a:winscp:winscp:5.1.8
  • Winscp » Winscp » Version: 5.10.1
    cpe:2.3:a:winscp:winscp:5.10.1
  • Winscp » Winscp » Version: 5.10.2
    cpe:2.3:a:winscp:winscp:5.10.2
  • Winscp » Winscp » Version: 5.10.3
    cpe:2.3:a:winscp:winscp:5.10.3
  • Winscp » Winscp » Version: 5.10.4
    cpe:2.3:a:winscp:winscp:5.10.4
  • Winscp » Winscp » Version: 5.11
    cpe:2.3:a:winscp:winscp:5.11
  • Winscp » Winscp » Version: 5.11.1
    cpe:2.3:a:winscp:winscp:5.11.1
  • Winscp » Winscp » Version: 5.11.2
    cpe:2.3:a:winscp:winscp:5.11.2
  • Winscp » Winscp » Version: 5.11.3
    cpe:2.3:a:winscp:winscp:5.11.3
  • Winscp » Winscp » Version: 5.12
    cpe:2.3:a:winscp:winscp:5.12
  • Winscp » Winscp » Version: 5.12.1
    cpe:2.3:a:winscp:winscp:5.12.1
  • Winscp » Winscp » Version: 5.12.2
    cpe:2.3:a:winscp:winscp:5.12.2
  • Winscp » Winscp » Version: 5.13
    cpe:2.3:a:winscp:winscp:5.13
  • Winscp » Winscp » Version: 5.13.1
    cpe:2.3:a:winscp:winscp:5.13.1
  • Winscp » Winscp » Version: 5.13.2
    cpe:2.3:a:winscp:winscp:5.13.2
  • Winscp » Winscp » Version: 5.13.3
    cpe:2.3:a:winscp:winscp:5.13.3
  • Winscp » Winscp » Version: 5.13.4
    cpe:2.3:a:winscp:winscp:5.13.4
  • Winscp » Winscp » Version: 5.13.5
    cpe:2.3:a:winscp:winscp:5.13.5
  • Winscp » Winscp » Version: 5.13.6
    cpe:2.3:a:winscp:winscp:5.13.6
  • Winscp » Winscp » Version: 5.13.7
    cpe:2.3:a:winscp:winscp:5.13.7
  • Winscp » Winscp » Version: 5.13.8
    cpe:2.3:a:winscp:winscp:5.13.8
  • Winscp » Winscp » Version: 5.13.9
    cpe:2.3:a:winscp:winscp:5.13.9
  • Winscp » Winscp » Version: 5.14
    cpe:2.3:a:winscp:winscp:5.14
  • Winscp » Winscp » Version: 5.14.1
    cpe:2.3:a:winscp:winscp:5.14.1
  • Winscp » Winscp » Version: 5.14.2
    cpe:2.3:a:winscp:winscp:5.14.2
  • Winscp » Winscp » Version: 5.14.3
    cpe:2.3:a:winscp:winscp:5.14.3
  • Winscp » Winscp » Version: 5.14.4
    cpe:2.3:a:winscp:winscp:5.14.4
  • Winscp » Winscp » Version: 5.14.5
    cpe:2.3:a:winscp:winscp:5.14.5
  • Winscp » Winscp » Version: 5.15
    cpe:2.3:a:winscp:winscp:5.15
  • Winscp » Winscp » Version: 5.15.1
    cpe:2.3:a:winscp:winscp:5.15.1
  • Winscp » Winscp » Version: 5.15.2
    cpe:2.3:a:winscp:winscp:5.15.2
  • Winscp » Winscp » Version: 5.15.3
    cpe:2.3:a:winscp:winscp:5.15.3
  • Winscp » Winscp » Version: 5.15.4
    cpe:2.3:a:winscp:winscp:5.15.4
  • Winscp » Winscp » Version: 5.17
    cpe:2.3:a:winscp:winscp:5.17
  • Winscp » Winscp » Version: 5.17.1
    cpe:2.3:a:winscp:winscp:5.17.1
  • Winscp » Winscp » Version: 5.17.2
    cpe:2.3:a:winscp:winscp:5.17.2
  • Winscp » Winscp » Version: 5.17.3
    cpe:2.3:a:winscp:winscp:5.17.3
  • Winscp » Winscp » Version: 5.17.4
    cpe:2.3:a:winscp:winscp:5.17.4
  • Winscp » Winscp » Version: 5.17.5
    cpe:2.3:a:winscp:winscp:5.17.5
  • Winscp » Winscp » Version: 5.17.6
    cpe:2.3:a:winscp:winscp:5.17.6
  • Winscp » Winscp » Version: 5.17.7
    cpe:2.3:a:winscp:winscp:5.17.7
  • Winscp » Winscp » Version: 5.17.8
    cpe:2.3:a:winscp:winscp:5.17.8
  • Winscp » Winscp » Version: 5.17.9
    cpe:2.3:a:winscp:winscp:5.17.9
  • Winscp » Winscp » Version: 5.2
    cpe:2.3:a:winscp:winscp:5.2
  • Winscp » Winscp » Version: 5.2.1
    cpe:2.3:a:winscp:winscp:5.2.1
  • Winscp » Winscp » Version: 5.2.2
    cpe:2.3:a:winscp:winscp:5.2.2
  • Winscp » Winscp » Version: 5.2.3
    cpe:2.3:a:winscp:winscp:5.2.3
  • Winscp » Winscp » Version: 5.2.4
    cpe:2.3:a:winscp:winscp:5.2.4
  • Winscp » Winscp » Version: 5.2.5
    cpe:2.3:a:winscp:winscp:5.2.5
  • Winscp » Winscp » Version: 5.2.6
    cpe:2.3:a:winscp:winscp:5.2.6
  • Winscp » Winscp » Version: 5.2.7
    cpe:2.3:a:winscp:winscp:5.2.7
  • Winscp » Winscp » Version: 5.5
    cpe:2.3:a:winscp:winscp:5.5
  • Winscp » Winscp » Version: 5.5.1
    cpe:2.3:a:winscp:winscp:5.5.1
  • Winscp » Winscp » Version: 5.5.2
    cpe:2.3:a:winscp:winscp:5.5.2
  • Winscp » Winscp » Version: 5.5.3
    cpe:2.3:a:winscp:winscp:5.5.3
  • Winscp » Winscp » Version: 5.5.4
    cpe:2.3:a:winscp:winscp:5.5.4
  • Winscp » Winscp » Version: 5.5.5
    cpe:2.3:a:winscp:winscp:5.5.5
  • Winscp » Winscp » Version: 5.5.6
    cpe:2.3:a:winscp:winscp:5.5.6
  • Winscp » Winscp » Version: 5.6
    cpe:2.3:a:winscp:winscp:5.6
  • Winscp » Winscp » Version: 5.6.1
    cpe:2.3:a:winscp:winscp:5.6.1
  • Winscp » Winscp » Version: 5.6.2
    cpe:2.3:a:winscp:winscp:5.6.2
  • Winscp » Winscp » Version: 5.6.3
    cpe:2.3:a:winscp:winscp:5.6.3
  • Winscp » Winscp » Version: 5.6.4
    cpe:2.3:a:winscp:winscp:5.6.4
  • Winscp » Winscp » Version: 5.6.5
    cpe:2.3:a:winscp:winscp:5.6.5
  • Winscp » Winscp » Version: 5.7
    cpe:2.3:a:winscp:winscp:5.7
  • Winscp » Winscp » Version: 5.7.1
    cpe:2.3:a:winscp:winscp:5.7.1
  • Winscp » Winscp » Version: 5.7.2
    cpe:2.3:a:winscp:winscp:5.7.2
  • Winscp » Winscp » Version: 5.7.3
    cpe:2.3:a:winscp:winscp:5.7.3
  • Winscp » Winscp » Version: 5.7.4
    cpe:2.3:a:winscp:winscp:5.7.4
  • Winscp » Winscp » Version: 5.7.5
    cpe:2.3:a:winscp:winscp:5.7.5
  • Winscp » Winscp » Version: 5.7.6
    cpe:2.3:a:winscp:winscp:5.7.6
  • Winscp » Winscp » Version: 5.7.7
    cpe:2.3:a:winscp:winscp:5.7.7
  • Winscp » Winscp » Version: 5.8
    cpe:2.3:a:winscp:winscp:5.8
  • Winscp » Winscp » Version: 5.8.1
    cpe:2.3:a:winscp:winscp:5.8.1
  • Winscp » Winscp » Version: 5.8.2
    cpe:2.3:a:winscp:winscp:5.8.2
  • Winscp » Winscp » Version: 5.8.3
    cpe:2.3:a:winscp:winscp:5.8.3
  • Winscp » Winscp » Version: 5.8.4
    cpe:2.3:a:winscp:winscp:5.8.4
  • Winscp » Winscp » Version: 5.9
    cpe:2.3:a:winscp:winscp:5.9
  • Winscp » Winscp » Version: 5.9.1
    cpe:2.3:a:winscp:winscp:5.9.1
  • Winscp » Winscp » Version: 5.9.2
    cpe:2.3:a:winscp:winscp:5.9.2
  • Winscp » Winscp » Version: 5.9.3
    cpe:2.3:a:winscp:winscp:5.9.3
  • Winscp » Winscp » Version: 5.9.4
    cpe:2.3:a:winscp:winscp:5.9.4
  • Winscp » Winscp » Version: 5.9.5
    cpe:2.3:a:winscp:winscp:5.9.5
  • Winscp » Winscp » Version: 5.9.6
    cpe:2.3:a:winscp:winscp:5.9.6


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