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CVE-2021-39898

3.7 · LOW

In all versions of GitLab CE/EE since version 10.6, a project export leaks the external webhook token value which may allow access to the project which it was exported from.

Published Nov 5, 2021CWE-200EPSS 1.29%

Overview

CVE-2021-39898 is a low-severity vulnerability. It was published on November 5, 2021 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In all versions of GitLab CE/EE since version 10.6, a project export leaks the external webhook token value which may allow access to the project which it was exported from.

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-2021-39898.jsonRefgitlab.com/gitlab-org/gitlab/-/issues/33734Refhackerone.com/reports/698068Refgitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39898.jsonRefgitlab.com/gitlab-org/gitlab/-/issues/33734Refhackerone.com/reports/698068

How CyberStrike helps

Frequently asked questions

What is CVE-2021-39898?

CVE-2021-39898 is a low-severity vulnerability. It was published on November 5, 2021 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2021-39898?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-39898?

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-2021-39898?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-39898 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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