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CVE-2024-41996

7.5 · HIGH

Validating the order of the public keys in the Diffie-Hellman Key Agreement Protocol, when an approved safe prime is used, allows remote attackers (from the client side) to trigger unnecessarily ex…

Published Aug 26, 2024CWE-295EPSS 1.08%

Overview

CVE-2024-41996 is a high-severity vulnerability. It was published on August 26, 2024 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

Validating the order of the public keys in the Diffie-Hellman Key Agreement Protocol, when an approved safe prime is used, allows remote attackers (from the client side) to trigger unnecessarily expensive server-side DHE modular-exponentiation calculations. The client may cause asymmetric resource consumption. The basic attack scenario is that the client must claim that it can only communicate with DHE, and the server must be configured to allow DHE and validate the order of the public key.

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

Refdheatattack.gitlab.io/details/Refdheatattack.gitlab.io/faq/GitHubgist.github.com/c0r0n3r/abccc14d4d96c0442f3a77fa5ca255d1Refcert-portal.siemens.com/productcert/html/ssa-089022.htmlRefcert-portal.siemens.com/productcert/html/ssa-265688.htmlRefcert-portal.siemens.com/productcert/html/ssa-485750.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-41996?

CVE-2024-41996 is a high-severity vulnerability. It was published on August 26, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-41996?

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-2024-41996?

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-2024-41996?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-41996 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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