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.)

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d	Patch Third Party Advisory
https://winscp.net/eng/docs/history#5.17.10	Release Notes Vendor Advisory
https://winscp.net/eng/docs/rawsettings	Vendor Advisory
https://winscp.net/tracker/1943	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-01-27 21:15

Updated : 2024-02-04 21:23

NVD link : CVE-2021-3331

Mitre link : CVE-2021-3331

CVE.ORG link : CVE-2021-3331

JSON object : View

Products Affected

winscp

winscp

CWE

NVD-CWE-Other

{"id": "CVE-2021-3331", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 10.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-01-27T21:15:16.840", "references": [{"url": "https://github.com/winscp/winscp/commit/faa96e8144e6925a380f94a97aa382c9427f688d", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://winscp.net/eng/docs/history#5.17.10", "tags": ["Release Notes", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://winscp.net/eng/docs/rawsettings", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://winscp.net/tracker/1943", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "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.)"}, {"lang": "es", "value": "WinSCP anterior a la versi\u00f3n 5.17.10 permite a los atacantes remotos ejecutar programas arbitrarios cuando el manejador de URLs encuentra una URL manipulada que carga la configuraci\u00f3n de la sesi\u00f3n. (Por ejemplo, esto es explotable en una instalaci\u00f3n por defecto en la que WinSCP es el manejador de URLs sftp://)"}], "lastModified": "2021-02-04T15:59:24.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C081564B-8EF8-4C8A-9EB0-1C50D5A8F18B", "versionEndExcluding": "5.17.10"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}