Check Point Advisories

Python BentoML Library Insecure Deserialization (CVE-2025-27520)

Check Point Reference: CPAI-2025-0242
Date Published: 4 May 2025
Severity: Critical
Last Updated: Sunday 04 May, 2025
Source:
Industry Reference:CVE-2025-27520
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? BentoML v1.4.2
Vulnerability Description An insecure deserialization vulnerability exists in Python BentoML Library. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Python BentoML Library Insecure Deserialization (CVE-2025-27520) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Python BentoML Library Insecure Deserialization (CVE-2025-27520)

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