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CVE-2021-3007

9.8 · CRITICAL

Laminas Project laminas-http before 2.14.2, and Zend Framework 3.0.0, has a deserialization vulnerability that can lead to remote code execution if the content is controllable, related to the __des…

Published Jan 4, 2021CWE-502EPSS 75.31%

Overview

CVE-2021-3007 is a critical-severity vulnerability. It was published on January 4, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Laminas Project laminas-http before 2.14.2, and Zend Framework 3.0.0, has a deserialization vulnerability that can lead to remote code execution if the content is controllable, related to the __destruct method of the Zend\Http\Response\Stream class in Stream.php. NOTE: Zend Framework is no longer supported by the maintainer. NOTE: the laminas-http vendor considers this a "vulnerability in the PHP language itself" but has added certain type checking as a way to prevent exploitation in (unrecommended) use cases where attacker-supplied data can be deserialized

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/Ling-Yizhou/zendframework3-/blob/main/zend%20framework3%20%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%20rce.mdGitHubgithub.com/laminas/laminas-http/commits/2.15.x/src/Response/Stream.phpGitHubgithub.com/laminas/laminas-http/pull/48GitHubgithub.com/laminas/laminas-http/releases/tag/2.14.2Refresearch.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/GitHubgithub.com/Ling-Yizhou/zendframework3-/blob/main/zend%20framework3%20%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%20rce.mdGitHubgithub.com/laminas/laminas-http/commits/2.15.x/src/Response/Stream.phpGitHubgithub.com/laminas/laminas-http/pull/48GitHubgithub.com/laminas/laminas-http/releases/tag/2.14.2Refresearch.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-3007?

CVE-2021-3007 is a critical-severity vulnerability. It was published on January 4, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2021-3007?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-3007?

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-2021-3007?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-3007 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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