Vulnerability Report

CVE-2019-9837

Title: Openid Openid Connect

Other

Proof Of Concept

No public PoC currently indexed for CVE-2019-9837.

CWE Category CWE-601

Published Date Mar 21, 2019

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 6.1 CVSS v3.0

Exploit Probability (EPSS)

1.35%

Vulnerability Summary

CVE-2019-9837: Doorkeeper::OpenidConnect (aka the OpenID Connect extension for Doorkeeper) 1.4.x and 1.5.x before 1.5.4 has an open redirect via the redirect_uri field in an OAuth authorization request (that results in an error response) with the 'openid' scope and a prompt=none value. This allows phishing attacks against the authorization flow.

Impacted Vendors

openid 1

Reference Links

https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61 https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66 https://github.com/doorkeeper-gem/doorkeeper-openid_connect/blob/master/CHANGELOG.md https://github.com/doorkeeper-gem/doorkeeper-openid_connect/issues/61 https://github.com/doorkeeper-gem/doorkeeper-openid_connect/pull/66

CVSS v3.0

Source Entity [email protected]

Severity MEDIUM

6.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

CHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-9837 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

March 21, 2019 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


                                    CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected Stack

No specific products linked.