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CVE-2021-4279

6.3 · MEDIUM

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic.

Published Dec 25, 2022CWE-1321EPSS 1.11%

Overview

CVE-2021-4279 is a medium-severity vulnerability. It was published on December 25, 2022 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability has been found in Starcounter-Jack JSON-Patch up to 3.1.0 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.1 is able to address this issue. The name of the patch is 7ad6af41eabb2d799f698740a91284d762c955c9. It is recommended to upgrade the affected component. VDB-216778 is the identifier assigned to this vulnerability.

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/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9GitHubgithub.com/Starcounter-Jack/JSON-Patch/pull/262GitHubgithub.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1Refvuldb.com/?ctiid.216778Refvuldb.com/?id.216778GitHubgithub.com/Starcounter-Jack/JSON-Patch/commit/7ad6af41eabb2d799f698740a91284d762c955c9GitHubgithub.com/Starcounter-Jack/JSON-Patch/pull/262GitHubgithub.com/Starcounter-Jack/JSON-Patch/releases/tag/3.1.1Refvuldb.com/?ctiid.216778Refvuldb.com/?id.216778

How CyberStrike helps

Frequently asked questions

What is CVE-2021-4279?

CVE-2021-4279 is a medium-severity vulnerability. It was published on December 25, 2022 and has a CVSS 3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2021-4279?

This vulnerability has a CVSS 3.1 base score of 6.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-4279?

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-2021-4279?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-4279 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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