# Moderate severity vulnerability that affects doorkeeper

Source: https://junglewise.ai/threats/moderate-severity-vulnerability-that-affects-doorkeeper-a7990bec  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2018-08-13  
License: CC BY 4.0 with a link back

Severity: info · Published 2018-08-13

Moderate severity vulnerability that affects doorkeeper

Technologies: [doorkeeper (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-doorkeeper). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is This vulnerability exploited in the wild?** No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.

**How severe is This vulnerability?** Informational severity, published 13 August 2018.

**Which products and versions are affected?** doorkeeper (RubyGems) ECOSYSTEM:introduced=1.2.0,fixed=4.2.0.

**Is there a fix for This vulnerability?** Yes. doorkeeper (RubyGems): upgrade to 4.2.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected?** Check whether you run doorkeeper (RubyGems) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- doorkeeper (RubyGems): upgrade to 4.2.0 or later

  ```sh
  bundle update doorkeeper
  ```


## Affected products

- doorkeeper (RubyGems) ECOSYSTEM:introduced=1.2.0,fixed=4.2.0

## Related threats

- [Doorkeeper Improper Authentication vulnerability](https://junglewise.ai/threats/cve-2023-34246-doorkeeper-improper-authentication-vulnerability)
- [Exposure of Sensitive Information to an Unauthorized Actor in Doorkeeper](https://junglewise.ai/threats/cve-2020-10187-exposure-of-sensitive-information-to-an-unauthorized-actor-in)
- [Doorkeeper vulnerable to Cross-site Request Forgery](https://junglewise.ai/threats/cve-2014-8144-doorkeeper-vulnerable-to-cross-site-request-forgery)
- [Doorkeeper subject to Incorrect Permission Assignment](https://junglewise.ai/threats/cve-2018-1000211-doorkeeper-subject-to-incorrect-permission-assignment)
- [Doorkeeper is vulnerable to stored XSS and code execution](https://junglewise.ai/threats/cve-2018-1000088-doorkeeper-is-vulnerable-to-stored-xss-and-code-execution)