CVE-2021-21311

high-risk
Published 2021-02-11

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.

Do I need to act?

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94.2% chance of exploitation in next 30 days
EPSS score — higher than 6% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Adminer

References (11)

Patch https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351
Exploit https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf
Patch https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html
Product https://packagist.org/packages/vrana/adminer
Patch https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351
Exploit https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf
Patch https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
Mailing List https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html
Product https://packagist.org/packages/vrana/adminer
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
60
/ 100
high-risk
Severity 26/34 · High
Exploitability 27/34 · High
Exposure 7/34 · Low