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CVE-2023-39542

8.8 · HIGH

A code execution vulnerability exists in the Javascript saveAs API of Foxit Reader 12.1.3.15356.

Published Nov 27, 2023CWE-73EPSS 3.77%

Overview

CVE-2023-39542 is a high-severity vulnerability. It was published on November 27, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A code execution vulnerability exists in the Javascript saveAs API of Foxit Reader 12.1.3.15356. A specially crafted malformed file can create arbitrary files, which can lead to remote code execution. An attacker needs to trick the user into opening the malicious file to trigger this vulnerability. Exploitation is also possible if a user visits a specially crafted, malicious site if the browser plugin extension is enabled.

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

Reftalosintelligence.com/vulnerability_reports/TALOS-2023-1832Reftalosintelligence.com/vulnerability_reports/TALOS-2023-1832Refwww.talosintelligence.com/vulnerability_reports/TALOS-2023-1832

How CyberStrike helps

Frequently asked questions

What is CVE-2023-39542?

CVE-2023-39542 is a high-severity vulnerability. It was published on November 27, 2023 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2023-39542?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-39542?

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-2023-39542?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-39542 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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