What is the severity of CVE-2021-21311?

CVE-2021-21311 is considered to be a medium severity vulnerability due to its impact on server-side request forgery.

How do I fix CVE-2021-21311?

To fix CVE-2021-21311, upgrade Adminer to version 4.7.9 or later.

Which versions of Adminer are affected by CVE-2021-21311?

Adminer versions from 4.0.0 to 4.7.8 are affected by CVE-2021-21311.

Is CVE-2021-21311 present in Debian Linux 9.0?

CVE-2021-21311 can be present in Debian Linux 9.0 if an affected version of Adminer is used.

What type of vulnerability is CVE-2021-21311?

CVE-2021-21311 is categorized as a server-side request forgery vulnerability.

Vulnerability/
CVE-2021-21311

high

7.2

CWE

918

11/2/2021

3/8/2024

CVE-2021-21311: SSRF in adminer

First published: Thu Feb 11 2021(Updated: )

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.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Adminer Adminer	>=4.0.0<4.7.9
Debian GNU/Linux	=9.0

Remedy

https://github.com/vrana/adminer/commit/ccd2374b0b12bd547417bf0dacdf153826c83351

Remedy

https://github.com/vrana/adminer/security/advisories/GHSA-x5r2-hj5c-8jx6

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-21311?
CVE-2021-21311 is considered to be a medium severity vulnerability due to its impact on server-side request forgery.
How do I fix CVE-2021-21311?
To fix CVE-2021-21311, upgrade Adminer to version 4.7.9 or later.
Which versions of Adminer are affected by CVE-2021-21311?
Adminer versions from 4.0.0 to 4.7.8 are affected by CVE-2021-21311.
Is CVE-2021-21311 present in Debian Linux 9.0?
CVE-2021-21311 can be present in Debian Linux 9.0 if an affected version of Adminer is used.
What type of vulnerability is CVE-2021-21311?
CVE-2021-21311 is categorized as a server-side request forgery vulnerability.

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agent/remedy
collector/mitre-cve
source/MITRE
agent/weakness
agent/author
agent/title
agent/references
agent/severity
agent/last-modified-date
agent/event
agent/description
agent/first-publish-date
agent/source
agent/softwarecombine
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/adminer
canonical/adminer adminer
version/adminer adminer/4.0.0
vendor/debian
canonical/debian gnu/linux
version/debian gnu/linux/9.0

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Frequently Asked Questions

What is the severity of CVE-2021-21311?
CVE-2021-21311 is considered to be a medium severity vulnerability due to its impact on server-side request forgery.
How do I fix CVE-2021-21311?
To fix CVE-2021-21311, upgrade Adminer to version 4.7.9 or later.
Which versions of Adminer are affected by CVE-2021-21311?
Adminer versions from 4.0.0 to 4.7.8 are affected by CVE-2021-21311.
Is CVE-2021-21311 present in Debian Linux 9.0?
CVE-2021-21311 can be present in Debian Linux 9.0 if an affected version of Adminer is used.
What type of vulnerability is CVE-2021-21311?
CVE-2021-21311 is categorized as a server-side request forgery vulnerability.