CVE-2020-15094: RCE in Symfony

CVE-2020-15094 · Severity: low · CVSS 3.1 · Published 2020-09-02

RCE in Symfony

Technologies: symfony/http-kernel (Packagist), symfony/symfony (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2020-15094 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-15094 being exploited in the wild.
How severe is CVE-2020-15094?
Low severity, with a CVSS score of 3.1, published 2 September 2020.
Which products and versions are affected?
symfony/http-kernel (Packagist) ECOSYSTEM:introduced=4.3.0,fixed=4.4.13; symfony/symfony (Packagist) ECOSYSTEM:introduced=4.3.0,fixed=4.4.13.
Is there a fix for CVE-2020-15094?
Yes. symfony/http-kernel (Packagist): upgrade to 4.4.13 or later; symfony/symfony (Packagist): upgrade to 4.4.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-15094?
Check whether you run symfony/http-kernel (Packagist) or symfony/symfony (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

  • symfony/http-kernel (Packagist): upgrade to 4.4.13 or later
    composer require symfony/http-kernel:^4.4.13
  • symfony/symfony (Packagist): upgrade to 4.4.13 or later
    composer require symfony/symfony:^4.4.13

Affected products

  • symfony/http-kernel (Packagist) ECOSYSTEM:introduced=4.3.0,fixed=4.4.13
  • symfony/symfony (Packagist) ECOSYSTEM:introduced=4.3.0,fixed=4.4.13

Identifiers

  • CVE-2020-15094
  • GHSA-754h-5r27-7x3r

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