CVE-2021-4119: BookStack is vulnerable to Improper Access Control.

CVE-2021-4119 · Severity: low · CVSS 3 · Published 2021-12-16

BookStack is vulnerable to Improper Access Control.

Technologies: ssddanbrown/bookstack (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-4119 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-4119 being exploited in the wild.
How severe is CVE-2021-4119?
Low severity, with a CVSS score of 3, published 16 December 2021.
Which products and versions are affected?
ssddanbrown/bookstack (Packagist) ECOSYSTEM:introduced=0,fixed=21.11.3.
Is there a fix for CVE-2021-4119?
Yes. ssddanbrown/bookstack (Packagist): upgrade to 21.11.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-4119?
Check whether you run ssddanbrown/bookstack (Packagist) 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

  • ssddanbrown/bookstack (Packagist): upgrade to 21.11.3 or later
    composer require ssddanbrown/bookstack:^21.11.3

Affected products

  • ssddanbrown/bookstack (Packagist) ECOSYSTEM:introduced=0,fixed=21.11.3

Identifiers

  • CVE-2021-4119
  • GHSA-9c5c-5j4h-8q2c

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.