CVE-2021-3331 is a critical vulnerability affecting WinSCP before version 5.17.10, allowing remote attackers to execute arbitrary programs. This occurs when a crafted URL, designed to load session settings, is encountered by the WinSCP URL handler. With a CVSS score of 9.8 (CRITICAL), the vulnerability has a low attack complexity and requires no user interaction, potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.17.10CPE matchmatch criteria | cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.