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CVE-2020-26229

3.7 · LOW

TYPO3 is an open source PHP based web content management system.

Published Nov 23, 2020CWE-611EPSS 0.64%

Overview

CVE-2020-26229 is a low-severity vulnerability. It was published on November 23, 2020 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

TYPO3 is an open source PHP based web content management system. In TYPO3 from version 10.4.0, and before version 10.4.10, RSS widgets are susceptible to XML external entity processing. This vulnerability is reasonable, but is theoretical - it was not possible to actually reproduce the vulnerability with current PHP versions of supported and maintained system distributions. At least with libxml2 version 2.9, the processing of XML external entities is disabled per default - and cannot be exploited. Besides that, a valid backend user account is needed. Update to TYPO3 version 10.4.10 to fix the problem described.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-q9cp-mc96-m4w2Reftypo3.org/security/advisory/typo3-core-sa-2020-012GitHubgithub.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-q9cp-mc96-m4w2Reftypo3.org/security/advisory/typo3-core-sa-2020-012

How CyberStrike helps

Frequently asked questions

What is CVE-2020-26229?

CVE-2020-26229 is a low-severity vulnerability. It was published on November 23, 2020 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2020-26229?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-26229?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-26229?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-26229 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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