CVE-2021-21311 is a Server-Side Request Forgery (SSRF) vulnerability affecting Adminer versions 4.0.0 through 4.7.8, specifically when bundling all drivers. This vulnerability carries a CVSS score of 7.2 (HIGH) due to its network-based attack vector, low attack complexity, and potential for partial confidentiality and integrity impact without requiring user interaction. It is actively exploited in the wild, as confirmed by its presence in CISA's KEV catalog, and has garnered significant community discussion, though no public Metasploit or ExploitDB modules are currently available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.0.0, < 4.7.9CPE matchmatch criteria | cpe:2.3:a:adminer:adminer:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.