SSRF in adminer
100Vexday Risk Score
Patch now. It under exploitation confirmed by CISA and has a working public exploit.
ssvc Actcvss 7.2epss 90%
from disclosure to weapon368 days
Published on NVDFeb 11
1st PoC+368d
CISA KEV+1691d
exploitation probability
90%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
3 public exploit(s)
Action required by CISAfederal deadline: 2025-10-20
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Versions
Affected
composer/vrana/adminer < 4.7.9
Fixed in
composer/vrana/adminer 4.7.9
Researched and written with AI from the vendor advisory and public analysis, with the sources above. Always confirm the fixed version in the official advisory before acting.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
vrana · adminerpublic PoCs found — 3
githubgithub.com/omoknooni/CVE-2021-21311★ 3githubgithub.com/Sudo-WP/sudowp-adminer★ 1vulncheckvulncheck.com/xdb/3726dcaf7595unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdfhttps://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6https://lists.debian.org/debian-lts-announce/2021/03/msg00002.htmlhttps://packagist.org/packages/vrana/adminerhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21311