Improper input validation in Winscp
CVE-2018-20684
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.028 (84.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Winscp
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-20684?
- CVE-2018-20684 is a high-severity vulnerability in Winscp, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-01-10.
- How severe is CVE-2018-20684?
- High severity. CVSS v3 base score is 7.5 out of 10.