Deserialization in Shopware
CVE-2019-12799
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.541 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.547 · newest: 0.541 · change: -0.006
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/rapid7/metasploit-framework/pull/11828 (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2019-12799?
- CVE-2019-12799 is a high-severity vulnerability in Shopware, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2019-06-13.
- How severe is CVE-2019-12799?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-12799 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.