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CVE-2024-30382

7.5 · HIGH

An Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker…

Published Apr 12, 2024CWE-755EPSS 0.71%

Overview

CVE-2024-30382 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 Improper Handling of Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to send a specific routing update, causing an rpd core due to memory corruption, leading to a Denial of Service (DoS).

This issue can only be triggered when the system is configured for CoS-based forwarding (CBF) with a policy map containing a cos-next-hop-map action (see below).

This issue affects:

Junos OS:

* all versions before 20.4R3-S10,

* from 21.2 before 21.2R3-S8,

* from 21.3 before 21.3R3,

* from 21.4 before 21.4R3,

* from 22.1 before 22.1R2;

Junos OS Evolved:

* all versions before 21.2R3-S8-EVO,

* from 21.3 before 21.3R3-EVO,

* from 21.4 before 21.4R3-EVO,

* from 22.1 before 22.1R2-EVO.

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/JSA79174Refwww.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/JSA79174Refwww.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-2024-30382?

CVE-2024-30382 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-2024-30382?

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-2024-30382?

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-2024-30382?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-30382 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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