Vulnerability in GitLab
CVE-2016-4340
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.101 (95.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.101 · newest: 0.101 · change: 0.000
Affected products
- GitLab — versions 8.2.0, 8.2.1, 8.2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- about.gitlab.com/2016/05/02/cve-2016-4340-patches/ (Patch, Mitigation, Vendor Advisory)
- www.exploit-db.com/exploits/40236/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- gitlab.com/gitlab-org/gitlab-ce/issues/15548 (Patch, Issue Tracking, Vendor Advisory)
- packetstormsecurity.com/files/138368/GitLab-Impersonate-Privilege-Escalation.ht… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4340?
- CVE-2016-4340 is a high-severity vulnerability in GitLab, classified under CWE-264. CVSS score: 8.8/10. Published 2017-01-23.
- How severe is CVE-2016-4340?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2016-4340 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.