Summary
generated automatically from NVD dataGitLab's impersonate feature contains a flaw in versions 8.2.0 through 8.7.0, including several 8.3 to 8.6 point releases. It lets a remote authenticated user "log in" as any other user, through vectors the description leaves unspecified. This could give an attacker full access to other accounts, and the issue is rated HIGH with a CVSS v3.0 score of 8.8. It is classified under CWE-264.
NVD description
The impersonate feature in Gitlab 8.7.0, 8.6.0 through 8.6.7, 8.5.0 through 8.5.11, 8.4.0 through 8.4.9, 8.3.0 through 8.3.8, and 8.2.0 through 8.2.4 allows remote authenticated users to "log in" as any other user via unspecified vectors.
EPSS · FIRST.org
10.1%probability of exploitation in the next 30 days
Higher than 95% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-30, recomputed daily by FIRST.org.
CVSS v3.0 Score
Information
- Published
- 23 janv. 2017
- Updated
- 17 juin 2026
- Status
- Modified
- Source
- cve@mitre.org
Affected products
Bounds published by NVD: "< 8.4.27" means 8.4.27 is no longer vulnerable. The fixed release to install is in the vendor advisory.
Weaknesses (CWE)
References (8)
- http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.htmlExploitThird Party AdvisoryVDB Entry
- https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/MitigationPatchVendor Advisory
- https://gitlab.com/gitlab-org/gitlab-ce/issues/15548Issue TrackingPatchVendor Advisory
- https://www.exploit-db.com/exploits/40236/ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.htmlExploitThird Party AdvisoryVDB Entry
- https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/MitigationPatchVendor Advisory
- https://gitlab.com/gitlab-org/gitlab-ce/issues/15548Issue TrackingPatchVendor Advisory
- https://www.exploit-db.com/exploits/40236/ExploitThird Party AdvisoryVDB Entry
Similar CVEs
Other vulnerabilities of type CWE-264
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