CVE-2021-21311
SSRF in adminer
KEVHIGH 7.2EPSS 98.5%
Adminer is an open-source database management in a single PHP file. In adminer from version 4.0.0 and before 4.7.9 there is a server-side request forgery vulnerability. Users of Adminer versions bundling all drivers (e.g. `adminer.php`) are affected. This is fixed in version 4.7.9.
- Affected
- vrana · adminer
- CVSS v3.1 NVD
- 7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N - CVSS v3.1 GitHub
- 7.2 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:H - CVSS v2.0 NVD
- 6.4 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N - EPSS
- 98.46% chance of exploitation in the next 30 days, 100th percentile
- CISA KEV
- added 2025-09-29
- Nuclei
- high · CWE-918
- Published
- 2021-02-11
- Updated
- 2025-10-21
Proof-of-concept exploits (3)
- llhala/CVE-2021-213118★ · 2022-02-14
- omoknooni/CVE-2021-213113★ · 2023-07-17
- tung6192/llm-security-hackathon0★ · 2024-06-28
Nuclei templates (1)
Vulhub environments (1)
Exploit collections (1)
- Adminer SSRF（CVE-2021-21311）.mdtzwlhack/Vulnerability
Security advisories
- vrana/adminer/files/5957311/Adminer.SSRF.pdf
- vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
- https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html
- https://packagist.org/packages/vrana/adminer
- advisories/GHSA-x5r2-hj5c-8jx6