CVE-2016-4340

8.8 HIGH

Published: January 23, 2017 Modified: May 13, 2026

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/

Source: cve@mitre.org

Mitigation Patch Vendor Advisory

https://gitlab.com/gitlab-org/gitlab-ce/issues/15548

Source: cve@mitre.org

Issue Tracking Patch Vendor Advisory

https://www.exploit-db.com/exploits/40236/

Source: cve@mitre.org

Exploit Third Party Advisory VDB Entry

http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/

Source: af854a3a-2127-422b-91ae-364da2661108

Mitigation Patch Vendor Advisory

https://gitlab.com/gitlab-org/gitlab-ce/issues/15548

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Vendor Advisory

https://www.exploit-db.com/exploits/40236/

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory VDB Entry

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.8 / 10.0

EPSS (Exploit Probability)

10.1%

95th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-264

Affected Vendors

gitlab

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