CVE-2018-20684

CVSS V2 Medium 6.4 CVSS V3 High 7.5
Description
In WinSCP before 5.14 beta, due to missing validation, the scp implementation would accept arbitrary files sent by the server, potentially overwriting unrelated files. This affects TSCPFileSystem::SCPSink in core/ScpFileSystem.cpp.
Overview
  • CVE ID
  • CVE-2018-20684
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-01-10T21:29:00
  • Last Modified Date
  • 2020-01-15T20:15:18
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:* 1 OR 5.13.7
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://winscp.net/tracker/1675 Patch Vendor Advisory
https://winscp.net/eng/docs/history Release Notes Vendor Advisory
https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54 Patch Third Party Advisory
http://www.securityfocus.com/bid/106526 Third Party Advisory VDB Entry
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt Mitigation Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20684
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20684
History
Created Old Value New Value Data Type Notes
2022-05-10 16:53:36 Added to TrackCVE
2022-12-03 16:18:17 2019-01-10T21:29Z 2019-01-10T21:29:00 CVE Published Date updated
2022-12-03 16:18:17 2020-01-15T20:15:18 CVE Modified Date updated
2022-12-03 16:18:17 Modified Vulnerability Status updated