CVE-2021-43421 is a critical file upload vulnerability affecting Studio-42 elFinder versions 2.0.4 through 2.1.59, specifically via the connector.minimal.php component. This flaw allows an unauthenticated remote attacker to upload arbitrary files, leading to remote code execution. With a CVSS score of 9.8, it poses a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, exploit intelligence indicates the existence of Nuclei templates for detection, and it has garnered significant community discussion with 10 mentions, suggesting active interest in its exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0.4, <= 2.1.59CPE matchmatch criteria | cpe:2.3:a:std42:elfinder:*:*:*:*:*:*:*:* |
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.