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CVE-2021-41167

7.5 · HIGH

modern-async is an open source JavaScript tooling library for asynchronous operations using async/await and promises.

Published Oct 20, 2021CWE-400EPSS 1.68%

Overview

CVE-2021-41167 is a high-severity vulnerability. It was published on October 20, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

modern-async is an open source JavaScript tooling library for asynchronous operations using async/await and promises. In affected versions a bug affecting two of the functions in this library: forEachSeries and forEachLimit. They should limit the concurrency of some actions but, in practice, they don't. Any code calling these functions will be written thinking they would limit the concurrency but they won't. This could lead to potential security issues in other projects. The problem has been patched in 1.0.4. There is no workaround.

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/nicolas-van/modern-async/commit/0010d28de1b15d51db3976080e26357fa7144436GitHubgithub.com/nicolas-van/modern-async/issues/5GitHubgithub.com/nicolas-van/modern-async/security/advisories/GHSA-3pcq-34w5-p4g2GitHubgithub.com/nicolas-van/modern-async/commit/0010d28de1b15d51db3976080e26357fa7144436GitHubgithub.com/nicolas-van/modern-async/issues/5GitHubgithub.com/nicolas-van/modern-async/security/advisories/GHSA-3pcq-34w5-p4g2

How CyberStrike helps

Frequently asked questions

What is CVE-2021-41167?

CVE-2021-41167 is a high-severity vulnerability. It was published on October 20, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-41167?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-41167?

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-2021-41167?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-41167 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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