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CVE-2019-19849

8.8 · HIGH

An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2.

Published Dec 17, 2019CWE-502EPSS 1.27%

Overview

CVE-2019-19849 is a high-severity vulnerability. It was published on December 17, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in TYPO3 before 8.7.30, 9.x before 9.5.12, and 10.x before 10.2.2. It has been discovered that the classes QueryGenerator and QueryView are vulnerable to insecure deserialization. One exploitable scenario requires having the system extension ext:lowlevel (Backend Module: DB Check) installed, with a valid backend user who has administrator privileges. The other exploitable scenario requires having the system extension ext:sys_action installed, with a valid backend user who has limited privileges.

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

Refreview.typo3.org/q/%2522Resolves:+%252389005%2522+topic:securityReftypo3.org/security/advisory/typo3-core-sa-2019-026/Refreview.typo3.org/q/%2522Resolves:+%252389005%2522+topic:securityReftypo3.org/security/advisory/typo3-core-sa-2019-026/

How CyberStrike helps

Frequently asked questions

What is CVE-2019-19849?

CVE-2019-19849 is a high-severity vulnerability. It was published on December 17, 2019 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2019-19849?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2019-19849?

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-2019-19849?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-19849 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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