THREATPORT/VULNERABILITY/CVE-2016-4340
HIGH SEVERITY

CVE-2016-4340

Gitlab vulnerability

CVSS
8.8
EPSS
10.1%
EPSS pct
95th
Exploited
No known
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.
Affected vendor
Gitlab
Affected product
Gitlab
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2017-01-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 10.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2016-4340

  • Confirm whether Gitlab Gitlab is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-4340.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-4340

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-4340 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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