VulnerabilityModified
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.
HIGH 7.5EPSS 2.77%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.77% probability · 85th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- winscp/winscp
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/106526Third Party Advisory, VDB Entry
- https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54Patch, Third Party Advisory
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txtMitigation, Third Party Advisory
- https://winscp.net/eng/docs/historyRelease Notes, Vendor Advisory
- https://winscp.net/tracker/1675Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2020.html
- http://www.securityfocus.com/bid/106526Third Party Advisory, VDB Entry
- https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54Patch, Third Party Advisory
- https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txtMitigation, Third Party Advisory
- https://winscp.net/eng/docs/historyRelease Notes, Vendor Advisory
- https://winscp.net/tracker/1675Patch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpujan2020.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.