CVE-2021-39873
First published: Mon Oct 04 2021(Updated: )
In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=1.0.0<14.1.7 | |
| GitLab | >=1.0.0<14.1.7 | |
| GitLab | >=14.2.0<14.2.5 | |
| GitLab | >=14.2.0<14.2.5 | |
| GitLab | =4.3.0 | |
| GitLab | =4.3.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-39873?
CVE-2021-39873 is classified as a medium-severity vulnerability due to its potential for content spoofing.
How do I fix CVE-2021-39873?
To mitigate CVE-2021-39873, upgrade GitLab to version 14.2.6 or later for both the Community and Enterprise editions.
What versions are affected by CVE-2021-39873?
CVE-2021-39873 affects GitLab versions from 1.0.0 to 14.1.7 and from 14.2.0 to 14.2.5.
What type of vulnerability is CVE-2021-39873?
CVE-2021-39873 is a content spoofing vulnerability that can mislead users into visiting malicious sites.
Who is impacted by CVE-2021-39873?
Any user of GitLab CE/EE who encounters error responses can be impacted by CVE-2021-39873.
- agent/type
- agent/references
- agent/author
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/gitlab
- canonical/gitlab
- version/gitlab/1.0.0
- version/gitlab/14.2.0
- version/gitlab/4.3.0