7.2

CVE-2021-21311

Warnung
Exploit

SSRF in adminer

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Adminer ≫ Adminer Version >= 4.0.0 < 4.7.9
Debian ≫ Debian Linux Version9.0

29.09.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

Adminer Server-Side Request Forgery Vulnerability

Schwachstelle

Adminer contains a server-side request forgery vulnerability that, when exploited, allows a remote attacker to obtain potentially sensitive information.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 90.46% 0.998
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.2 3.9 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:P/A:N
security-advisories@github.com 7.2 3.9 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE-918 Server-Side Request Forgery (SSRF)

The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351
Patch
https://github.com/vrana/adminer/files/5957311/Adminer.SSRF.pdf
Third Party Advisory
Exploit
https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00002.html
Third Party Advisory
Mailing List
https://packagist.org/packages/vrana/adminer
Third Party Advisory
Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21311
US Government Resource