CVE-2019-12799
Shopware Insecure Deserialization Vulnerability
8.8
HIGH
CVSS 3.1
EPSS 54.7%
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.
How to fix CVE-2019-12799
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- —no fix listed
Is CVE-2019-12799 being exploited?
Likely — EPSS is 54.7%, placing CVE-2019-12799 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 5.3.0, <= 5.6.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |