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CVE-2021-39886

2.6 · LOW

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic referen…

Published Oct 5, 2021CWE-276EPSS 0.56%

Overview

CVE-2021-39886 is a low-severity vulnerability. It was published on October 5, 2021 and has a CVSS 3.1 base score of 2.6 (LOW).

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic references.

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

Refgitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39886.jsonRefgitlab.com/gitlab-org/gitlab/-/issues/330520Refgitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39886.jsonRefgitlab.com/gitlab-org/gitlab/-/issues/330520

How CyberStrike helps

Frequently asked questions

What is CVE-2021-39886?

CVE-2021-39886 is a low-severity vulnerability. It was published on October 5, 2021 and has a CVSS 3.1 base score of 2.6 (LOW).

How severe is CVE-2021-39886?

This vulnerability has a CVSS 3.1 base score of 2.6, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-39886?

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-2021-39886?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-39886 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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