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.

EPSS: 0.101 (95.2th percentile) — read the EPSS interpretation.

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.

Affected products

  • Gitlab — versions 8.2.0, 8.2.1, 8.2.2
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

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.