What’s Vulnerable › Vulnerabilities

CVE-2024-32871: Pimcore Vulnerable to Flooding Server with Thumbnail files

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-06-04 · updated 2026-06-17
• Weakness: CWE-770

Description

Pimcore is an Open Source Data & Experience Management Platform. The Pimcore thumbnail generation can be used to flood the server with large files. By changing the file extension or scaling factor of the requested thumbnail, attackers can create files that are much larger in file size than the original. This vulnerability is fixed in 11.2.4.

Affected products

• pimcore/pimcore: from 11.0.0 before 11.2.4 — fixed in 11.2.4

How to fix

Upgrade to a fixed version: pimcore/pimcore 11.2.4. Check the vendor advisory for mitigations.

References

• https://github.com/pimcore/pimcore/commit/38af70b3130f16fc27f2aea34e2943d7bdaaba06
• https://github.com/pimcore/pimcore/commit/a6821a16ea38086bf6012e682e1743488244bd85
• https://github.com/pimcore/pimcore/security/advisories/GHSA-277c-5vvj-9pwx
• https://github.com/pimcore/pimcore/commit/38af70b3130f16fc27f2aea34e2943d7bdaaba06
• https://github.com/pimcore/pimcore/commit/a6821a16ea38086bf6012e682e1743488244bd85
• https://github.com/pimcore/pimcore/security/advisories/GHSA-277c-5vvj-9pwx

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