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CVE-2018-20717

8.8 · HIGH

In the orders section of PrestaShop before 1.7.2.5, an attack is possible after gaining access to a target store with a user role with the rights of at least a Salesman or higher privileges.

Published Jan 15, 2019CWE-94EPSS 2.69%

Overview

CVE-2018-20717 is a high-severity vulnerability. It was published on January 15, 2019 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

In the orders section of PrestaShop before 1.7.2.5, an attack is possible after gaining access to a target store with a user role with the rights of at least a Salesman or higher privileges. The attacker can then inject arbitrary PHP objects into the process and abuse an object chain in order to gain Remote Code Execution. This occurs because protection against serialized objects looks for a 0: followed by an integer, but does not consider 0:+ followed by an integer.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblog.ripstech.com/2018/prestashop-remote-code-execution/Refbuild.prestashop.com/news/prestashop-1-7-2-5-maintenance-release/Refblog.ripstech.com/2018/prestashop-remote-code-execution/Refbuild.prestashop.com/news/prestashop-1-7-2-5-maintenance-release/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-20717?

CVE-2018-20717 is a high-severity vulnerability. It was published on January 15, 2019 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2018-20717?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-20717?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2018-20717?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-20717 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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