CVE-2021-40887 is a critical directory traversal vulnerability affecting Projectsend version r1295. An attacker can exploit insufficient input sanitization in the 'files[]' parameter to move arbitrary files, including PHP files, into the '/upload/files/' directory. With a CVSS score of 9.8 (Critical), this vulnerability allows for complete compromise of confidentiality, integrity, and availability, requiring no user interaction or authentication. While no public exploits or active exploitation have been observed, and community discussion is minimal, the high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
r1295CPE matchmatch criteria | cpe:2.3:a:projectsend:projectsend:r1295:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.