CVE-2021-21264: Bypass of fix for , Twig sandbox escape

CVE-2021-21264 · Severity: low · CVSS 3.1 · Published 2021-05-04

Bypass of fix for CVE-2020-26231, Twig sandbox escape

Technologies: october/cms (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-21264 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-21264 being exploited in the wild.
How severe is CVE-2021-21264?
Low severity, with a CVSS score of 3.1, published 4 May 2021.
Which products and versions are affected?
october/cms (Packagist) ECOSYSTEM:introduced=1.0.471,fixed=1.0.472.
Is there a fix for CVE-2021-21264?
Yes. october/cms (Packagist): upgrade to 1.0.472 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-21264?
Check whether you run october/cms (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

  • october/cms (Packagist): upgrade to 1.0.472 or later
    composer require october/cms:^1.0.472

Affected products

  • october/cms (Packagist) ECOSYSTEM:introduced=1.0.471,fixed=1.0.472

Identifiers

  • CVE-2021-21264
  • GHSA-fcr8-6q7r-m4wg

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