Doorkeeper up to 4.3.2/5.0.0.rc1 Access Control access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in Doorkeeper up to 4.3.2/5.0.0.rc1. This issue affects some unknown functionality of the component Access Control. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.

The bug was discovered 07/17/2018. The weakness was presented 07/13/2018 (GitHub Repository). It is possible to read the advisory at The identification of this vulnerability is CVE-2018-1000211 since 07/13/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 111480 (FreeBSD : rubygem-doorkeeper -- token revocation vulnerability (e309a2c7-598b-4fa6-a398-bc72fbd1d167)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 4.4.0 or 5.0.0.rc2 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111480). is providing further details. See VDB-119582 and VDB-119583 for similar entries.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
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VulDB Reliability: 🔍

NVD Base Score: 7.5
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Class: Access control
CWE: CWE-284 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 111480
Nessus Name: FreeBSD : rubygem-doorkeeper -- token revocation vulnerability (e309a2c7-598b-4fa6-a398-bc72fbd1d167)
Nessus File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
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Upgrade: Doorkeeper 4.4.0/5.0.0.rc2


07/13/2018 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
07/13/2018 +0 days 🔍
07/17/2018 +4 days 🔍
07/31/2018 +14 days 🔍
08/02/2018 +2 days 🔍
04/09/2023 +1711 days 🔍


Advisory: 891
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000211 (🔍)
Misc.: 🔍
See also: 🔍


Created: 07/14/2018 01:02 AM
Updated: 04/09/2023 08:15 AM
Changes: 07/14/2018 01:02 AM (66), 03/09/2020 10:41 AM (3), 04/09/2023 08:15 AM (5)
Complete: 🔍
Cache ID: 34:40A:40


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