Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM : Adminer vulnerabilities (USN-5271-1)

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5271-1 advisory. It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly...

Exploit for Server-Side Request Forgery in Adminer

CVE-2021-21311 Description SSRFServer-side Request Forger...

USN-5271-1: Adminer vulnerabilities

It was discovered that Adminer did not escape data in the history parameter of the default URI. A remote attacker could possibly use this issue to perform cross-site scripting XSS attacks. This issue only affected Ubuntu 20.04 ESM. CVE-2020-35572 Adam Crosser and Brian Sizemore discovered that...

CVE-2021-21311

creationtimestamp| type| source ---|---|--- 2021-02-12 00:42:58+00:00| seen| https://t.me/cibsecurity/23505 2023-04-27 09:58:59+00:00| confirmed| https://github.com/projectdiscovery/nuclei-templates/tree/main/http/cves/2021/CVE-2021-21311.yaml 2025-09-29 18:10:02+00:00| seen|...

CVE-2021-21311

Adminer CVE-2021-21311 is a server-side request forgery (SSRF) flaw affecting Adminer versions before 4.7.9, especially builds bundling all drivers (e.g., adminer.php). The issue arises from error-message handling that can expose sensitive information, enabling an attacker to potentially access i...

CVE-2021-21311 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...