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CVE-2021-4213

7.5 · HIGH

A flaw was found in JSS, where it did not properly free up all memory.

Published Aug 24, 2022CWE-401EPSS 1.63%

Overview

CVE-2021-4213 is a high-severity vulnerability. It was published on August 24, 2022 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

A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.

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

Refaccess.redhat.com/security/cve/CVE-2021-4213Refbugzilla.redhat.com/show_bug.cgi?id=2042900GitHubgithub.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2GitHubgithub.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448Refsecurity-tracker.debian.org/tracker/CVE-2021-4213Refaccess.redhat.com/security/cve/CVE-2021-4213Refbugzilla.redhat.com/show_bug.cgi?id=2042900GitHubgithub.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2GitHubgithub.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448Refsecurity-tracker.debian.org/tracker/CVE-2021-4213

How CyberStrike helps

Frequently asked questions

What is CVE-2021-4213?

CVE-2021-4213 is a high-severity vulnerability. It was published on August 24, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-4213?

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-2021-4213?

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-2021-4213?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-4213 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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