CVE-2021-31777

Name: CVE-2021-31777
Creator: NVD / NIST
Published: 2021-04-28T07:15:07.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 1.45%

Last modified Jun 17, 2026

CVE-2021-31777 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. The dce (aka Dynamic Content Element) extension 2.2.0 through 2.6.x before 2.6.2, and 2.7.x before 2.7.1, for TYPO3 allows SQL Injection via a backend user account.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

The dce (aka Dynamic Content Element) extension 2.2.0 through 2.6.x before 2.6.2, and 2.7.x before 2.7.1, for TYPO3 allows SQL Injection via a backend user account.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

1.45%

69.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Dynamic Content Elements Project	Dynamic Content Elements	>= 2.2.0, < 2.6.2
Dynamic Content Elements Project	Dynamic Content Elements	>= 2.7.0, < 2.7.1

References

http://packetstormsecurity.com/files/162429/TYPO3-6.2.1-SQL-Injection.htmlExploit, Third Party Advisory
https://cds.thalesgroup.com/en/tcs-cert/CVE-2021-31777
https://excellium-services.com/cert-xlm-advisory/Not Applicable
https://typo3.org/security/advisory/typo3-ext-sa-2021-005Patch, Third Party Advisory
http://packetstormsecurity.com/files/162429/TYPO3-6.2.1-SQL-Injection.htmlExploit, Third Party Advisory
https://excellium-services.com/cert-xlm-advisory/Not Applicable
https://typo3.org/security/advisory/typo3-ext-sa-2021-005Patch, Third Party Advisory

Timeline

Published: Apr 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31777?

The dce (aka Dynamic Content Element) extension 2.2.0 through 2.6.x before 2.6.2, and 2.7.x before 2.7.1, for TYPO3 allows SQL Injection via a backend user account.

How severe is CVE-2021-31777?

CVE-2021-31777 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31777?

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-2021-31777?

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

Scan your code now

Source: NVD / NIST