VIR Vulnerability Intelligence Relay

CVE-2016-4340

high
Published 2017-01-23 · Modified 2026-05-13
CVSS v3
8.8
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2
6.5
VIR risk
8.8

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.

Predictions

Exploit likelihood
92%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://gitlab.com/gitlab-org/gitlab-ce/issues/15548

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/

Application impact
VendorProductVersionsFixed
gitlabgitlab8.2.0
gitlabgitlab8.2.1
gitlabgitlab8.2.2
gitlabgitlab8.2.3
gitlabgitlab8.2.4
gitlabgitlab8.3.0
gitlabgitlab8.3.1
gitlabgitlab8.3.2
gitlabgitlab8.3.3
gitlabgitlab8.3.4
gitlabgitlab8.3.5
gitlabgitlab8.3.6
gitlabgitlab8.3.7
gitlabgitlab8.3.8
gitlabgitlab8.4.0
gitlabgitlab8.4.1
gitlabgitlab8.4.2
gitlabgitlab8.4.3
gitlabgitlab8.4.4
gitlabgitlab8.4.5
gitlabgitlab8.4.6
gitlabgitlab8.4.7
gitlabgitlab8.4.8
gitlabgitlab8.4.9
gitlabgitlab8.5.0
gitlabgitlab8.5.1
gitlabgitlab8.5.2
gitlabgitlab8.5.3
gitlabgitlab8.5.4
gitlabgitlab8.5.5
gitlabgitlab8.5.6
gitlabgitlab8.5.7
gitlabgitlab8.5.8
gitlabgitlab8.5.9
gitlabgitlab8.5.10
gitlabgitlab8.5.11
gitlabgitlab8.6.0
gitlabgitlab8.6.1
gitlabgitlab8.6.2
gitlabgitlab8.6.3
gitlabgitlab8.6.4
gitlabgitlab8.6.5
gitlabgitlab8.6.6
gitlabgitlab8.6.7
gitlabgitlab8.7.0

References

CWEs

CWE-264

Verify integrity in audit chain (admin only). AS-IS.