CVE-2021-22168
A regular expression denial of service issue has been discovered in NuGet API affecting all...
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
CVE-2021-22168- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
EUVDEUVD-2021-9314
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
EUVD-2021-9314- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7w6h-978p-xvrg No score
A regular expression denial of service issue has been discovered in NuGet API affecting all...
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
GHSA-7w6h-978p-xvrg- Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
CVE-2021-22168- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
CVE-2021-22168- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-22168
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
UBUNTU-CVE-2021-22168- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVBIT-gitlab-2021-22168 No score
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
- Record
BIT-gitlab-2021-22168- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-22168 is a medium vulnerability (CVSS 4.3) in Gitlab, published January 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.01%, the 63rd percentile. Fixed in gitlab 13.5.6.