# CVE-2017-11428: Ruby-SAML Improper Authentication vulnerability

Source: https://junglewise.ai/threats/cve-2017-11428-ruby-saml-improper-authentication-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2019-07-05  
License: CC BY 4.0 with a link back

CVE-2017-11428 · Severity: low · CVSS 3 · Published 2019-07-05

Ruby-SAML Improper Authentication vulnerability

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

## Quick answers

**Is CVE-2017-11428 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2017-11428 being exploited in the wild.

**How severe is CVE-2017-11428?** Low severity, with a CVSS score of 3, published 5 July 2019.

**Which products and versions are affected?** ruby-saml (RubyGems) ECOSYSTEM:introduced=0,fixed=1.7.0.

**Is there a fix for CVE-2017-11428?** Yes. ruby-saml (RubyGems): upgrade to 1.7.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2017-11428?** Check whether you run ruby-saml (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

- ruby-saml (RubyGems): upgrade to 1.7.0 or later

  ```sh
  bundle update ruby-saml
  ```


## Affected products

- ruby-saml (RubyGems) ECOSYSTEM:introduced=0,fixed=1.7.0

## Identifiers

- CVE-2017-11428
- GHSA-x2fr-v8wf-8wwv

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