CVE-2016-4340 EXPLOIT
8.8
HIGH · CVSS 3.0 · EPSS 10.1% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 10.14% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-01-23 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| gitlab | gitlab |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | GitLab - 'impersonate' Feature Privilege Escalation | 2016-08-15 |
References
- http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html
- https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/
- https://gitlab.com/gitlab-org/gitlab-ce/issues/15548
- https://www.exploit-db.com/exploits/40236/
- http://packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.html
- https://about.gitlab.com/2016/05/02/cve-2016-4340-patches/
- https://gitlab.com/gitlab-org/gitlab-ce/issues/15548
- https://www.exploit-db.com/exploits/40236/
→ the Explorer · watch your stack · NVD