Is CVE-2018-20684 actively exploited?

CVE-2018-20684 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2018-20684?

CVE-2018-20684 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

How do I patch CVE-2018-20684?

Patch guidance is available from winscp security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-20684.

Fix CVE-2018-20684 - HIGH winscp winscp

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 Metrics

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: none
Weaknesses: CWE-20 · Improper Input Validation

Metadata

Primary Vendor: WINSCP
Published: 1/10/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

winscp : winscp

Remediation Guidance

Executive Summary

Cite this page

CVE-2018-20684. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2018-20684

View on NIST NVD

CVE-2018-20684 vulnerability