CVE•Published 2017-01-23•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2016-6582Doorkeeper_project · Doorkeeper
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
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Weaknesses (CWE)
Description
The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification.
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-2016-6582Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Doorkeeper Project Doorkeeper"All exposed Doorkeeper Project Doorkeeper instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Doorkeeper"HTTP body or banner mentions "Doorkeeper" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-6582Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-6582Censys host search filtered to this CVE id.
grep.app
CVE-2016-6582Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-6582GitHub code search for direct mentions.
Google dork
"CVE-2016-6582" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.