CVE-2021-3964: elgg is vulnerable to Authorization Bypass Through User-Controlled Key

CVE-2021-3964 · Severity: low · CVSS 3.1 · Published 2021-12-03

elgg is vulnerable to Authorization Bypass Through User-Controlled Key

Technologies: elgg/elgg (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2021-3964 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3964 being exploited in the wild.
How severe is CVE-2021-3964?
Low severity, with a CVSS score of 3.1, published 3 December 2021.
Which products and versions are affected?
elgg/elgg (Packagist) ECOSYSTEM:introduced=0,fixed=3.3.22.
Is there a fix for CVE-2021-3964?
Yes. elgg/elgg (Packagist): upgrade to 3.3.22 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3964?
Check whether you run elgg/elgg (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

  • elgg/elgg (Packagist): upgrade to 3.3.22 or later
    composer require elgg/elgg:^3.3.22

Affected products

  • elgg/elgg (Packagist) ECOSYSTEM:introduced=0,fixed=3.3.22

Identifiers

  • CVE-2021-3964
  • GHSA-gwpx-q2h9-wxgx

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