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Vulnerability Intelligence

CVE-2019-12799

HighPublic exploit

Shopware Insecure Deserialization Vulnerability

Published May 24, 2022 · Updated Aug 4, 2024 · Also known as GHSA-rf8f-hqjv-986p

Key Facts

Patch immediately
  • CVE-2019-12799 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Shopware, shopware/shopware (composer).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 54% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Shopware <=5.6.0, Shopware 5.6.0.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

8.8

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

54%

Higher than 98.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

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Description

In createInstanceFromNamedArguments in Shopware through 5.6.x, a crafted web request can trigger a PHP object instantiation vulnerability, which can result in an arbitrary deserialization if the right class is instantiated. An attacker can leverage this deserialization to achieve remote code execution. NOTE: this issue is a bypass for a CVE-2017-18357 whitelist patch.

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
ShopwareShopwareSee advisory5.6.0
shopware/shopwarecomposer>= 5.3.0n/a

Patched Releases

Shopware

<=5.6.0

Timeline

  1. Publicly disclosed

    May 24, 2022

  2. Last updated

    Aug 4, 2024

Weakness Type

  • CWE-502 Deserialization of Untrusted Data

References

3 more references in the full CVE brief

FAQ

Common Questions.

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