CVE•Published 2017-01-23•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2016-4340Gitlab · Gitlab
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2017-01-23
Modified 2026-05-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2016-4340Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Gitlab Gitlab" version:"8.2.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Gitlab"HTTP body or banner mentions "Gitlab" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-4340Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-4340Censys host search filtered to this CVE id.
grep.app
CVE-2016-4340Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-4340GitHub code search for direct mentions.
Google dork
"CVE-2016-4340" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.