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CVE-2023-39340

7.5 · HIGH

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.

Published Dec 16, 2023EPSS 2.38%

Overview

CVE-2023-39340 is a high-severity vulnerability. It was published on December 16, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.

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

Refforums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_USRefforums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US

How CyberStrike helps

Frequently asked questions

What is CVE-2023-39340?

CVE-2023-39340 is a high-severity vulnerability. It was published on December 16, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-39340?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2023-39340?

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-2023-39340?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-39340 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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