CVE-2021-39888: Medium severity GitLab GitLab vulnerability

Published Oct 5, 2021
·
Updated

In all versions of GitLab EE starting from 13.10 before 14.1.7, all versions starting from 14.2 before 14.2.5, and all versions starting from 14.3 before 14.3.1 a specific API endpoint may reveal details about a private group and other sensitive info inside issue and merge request templates.

Affected Software

3 affected components
GitLab GitLab>=13.10.0<14.1.7
GitLab GitLab>=14.2.0<14.2.5
GitLab GitLab=14.3.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade GitLab EE to a version that resolves this vulnerability.

    Fixed in 14.1.7
  2. Upgrade

    Upgrade GitLab EE to a version that resolves this vulnerability.

    Fixed in 14.2.5
  3. Upgrade

    Upgrade GitLab EE to a version that resolves this vulnerability.

    Fixed in 14.3.1

Event History

Oct 5, 2021
CVE Published
via MITRE·12:20 PM
Data Sourced
via MITRE·12:20 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-39888?

CVE-2021-39888 has been classified as a medium severity vulnerability.

2

How do I fix CVE-2021-39888?

To fix CVE-2021-39888, upgrade GitLab to version 14.1.7, 14.2.5, or 14.3.1 or later.

3

What types of information could be exposed by CVE-2021-39888?

CVE-2021-39888 may expose details about private groups as well as sensitive information within issue and merge request templates.

4

Which versions of GitLab are affected by CVE-2021-39888?

CVE-2021-39888 affects GitLab EE versions from 13.10 to 14.1.6, from 14.2 to 14.2.4, and version 14.3.0.

5

Is there a risk of data leakage with CVE-2021-39888?

Yes, CVE-2021-39888 presents a risk of data leakage potentially exposing sensitive information.

Contact

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