CVE-2021-39894: SSRF
First published: Tue Oct 05 2021(Updated: )
In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers to exploit Server Side Request Forgery attacks.
Credit: cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=8.0.0<14.1.7 | |
| GitLab | >=8.0.0<14.1.7 | |
| GitLab | >=14.2.0<14.2.5 | |
| GitLab | >=14.2.0<14.2.5 | |
| GitLab | =14.3.0 | |
| GitLab | =14.3.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-39894?
CVE-2021-39894 is classified as a high severity vulnerability due to its ability to facilitate Server Side Request Forgery attacks.
How do I fix CVE-2021-39894?
To remediate CVE-2021-39894, upgrade GitLab to versions 14.1.8, 14.2.6, or 14.3.1 or later.
What versions of GitLab are affected by CVE-2021-39894?
CVE-2021-39894 affects all versions of GitLab CE/EE from version 8.0 up to but not including 14.1.8, 14.2.6, and 14.3.1.
Can CVE-2021-39894 be exploited remotely?
Yes, CVE-2021-39894 can be exploited remotely if an attacker sends specially crafted DNS requests.
What type of attacks can CVE-2021-39894 enable?
CVE-2021-39894 can enable Server Side Request Forgery (SSRF) attacks that may lead to information disclosure or unauthorized actions.
- agent/references
- agent/type
- agent/weakness
- 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/8.0.0
- version/gitlab/14.2.0
- version/gitlab/14.3.0