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CVE-2024-30405

7.5 · HIGH

An Incorrect Calculation of Buffer Size vulnerability in Juniper Networks Junos OS SRX 5000 Series devices using SPC2 line cards while ALGs are enabled allows an attacker sending specific crafted p…

Published Apr 12, 2024CWE-131EPSS 0.63%

Overview

CVE-2024-30405 is a high-severity vulnerability. It was published on April 12, 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

An Incorrect Calculation of Buffer Size vulnerability in Juniper Networks Junos OS SRX 5000 Series devices using SPC2 line cards while ALGs are enabled allows an attacker sending specific crafted packets to cause a transit traffic Denial of Service (DoS).

Continued receipt and processing of these specific packets will sustain the Denial of Service condition.

This issue affects:

Juniper Networks Junos OS SRX 5000 Series with SPC2 with ALGs enabled.

* All versions earlier than 21.2R3-S7;

* 21.4 versions earlier than 21.4R3-S6;

* 22.1 versions earlier than 22.1R3-S5;

* 22.2 versions earlier than 22.2R3-S3;

* 22.3 versions earlier than 22.3R3-S2;

* 22.4 versions earlier than 22.4R3;

* 23.2 versions earlier than 23.2R2.

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

Refsupportportal.juniper.net/JSA79105Refwww.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:LRefsupportportal.juniper.net/JSA79105Refwww.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L

How CyberStrike helps

Frequently asked questions

What is CVE-2024-30405?

CVE-2024-30405 is a high-severity vulnerability. It was published on April 12, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-30405?

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-2024-30405?

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-2024-30405?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-30405 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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