CVE-2021-32774

Name: CVE-2021-32774
Creator: NVD / NIST
Published: 2021-07-20T01:15:40.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2021-32774 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. DataDump is a MediaWiki extension that provides dumps of wikis. Prior to commit 67a82b76e186925330b89ace9c5fd893a300830b, DataDump had no protection against CSRF attacks so requests to generate or delete dumps could be forged. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

DataDump is a MediaWiki extension that provides dumps of wikis. Prior to commit 67a82b76e186925330b89ace9c5fd893a300830b, DataDump had no protection against CSRF attacks so requests to generate or delete dumps could be forged. The vulnerability was patched in commit 67a82b76e186925330b89ace9c5fd893a300830b. There are no known workarounds. You must completely disable DataDump.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

EPSS Probability

0.48%

37.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Miraheze	Datadump	< 2021-07-07

References

https://github.com/miraheze/DataDump/commit/67a82b76e186925330b89ace9c5fd893a300830bPatch, Third Party Advisory
https://github.com/miraheze/DataDump/security/advisories/GHSA-29mh-4vhv-x8mrPatch, Third Party Advisory
https://phabricator.miraheze.org/T7593Third Party Advisory
https://github.com/miraheze/DataDump/commit/67a82b76e186925330b89ace9c5fd893a300830bPatch, Third Party Advisory
https://github.com/miraheze/DataDump/security/advisories/GHSA-29mh-4vhv-x8mrPatch, Third Party Advisory
https://phabricator.miraheze.org/T7593Third Party Advisory

Timeline

Published: Jul 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32774?

How severe is CVE-2021-32774?

CVE-2021-32774 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32774?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32774?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST