What’s Vulnerable › Vulnerabilities

CVE-2019-10867

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 68.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-04-04 · updated 2026-06-17
• Weakness: CWE-502

Description

An issue was discovered in Pimcore before 5.7.1. An attacker with classes permission can send a POST request to /admin/class/bulk-commit, which will make it possible to exploit the unserialize function when passing untrusted values in the data parameter to bundles/AdminBundle/Controller/Admin/DataObject/ClassController.php.

Affected products

• pimcore/pimcore: before 5.7.1 — fixed in 5.7.1

How to fix

Upgrade to a fixed version: pimcore/pimcore 5.7.1. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/152667/Pimcore-Unserialize-Remote-Code-Execution.html
• http://www.rapid7.com/db/modules/exploit/multi/http/pimcore_unserialize_rce
• https://blog.certimetergroup.com/it/articolo/security/polyglot_phar_deserialization_to_rce
• https://github.com/pimcore/pimcore/commit/38a29e2f4f5f060a73974626952501cee05fda73
• https://snyk.io/vuln/SNYK-PHP-PIMCOREPIMCORE-173998
• https://www.exploit-db.com/exploits/46783/
• http://packetstormsecurity.com/files/152667/Pimcore-Unserialize-Remote-Code-Execution.html
• http://www.rapid7.com/db/modules/exploit/multi/http/pimcore_unserialize_rce
• https://blog.certimetergroup.com/it/articolo/security/polyglot_phar_deserialization_to_rce
• https://github.com/pimcore/pimcore/commit/38a29e2f4f5f060a73974626952501cee05fda73
• https://snyk.io/vuln/SNYK-PHP-PIMCOREPIMCORE-173998
• https://www.exploit-db.com/exploits/46783/

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