What is CVE-2024-21612?

CVE-2024-21612 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under CWE-228. CVSS score: 7.5/10. Published 2024-01-12.

How severe is CVE-2024-21612?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Juniper Junos OS Evolved

CVE-2024-21612

An Improper Handling of Syntactically Invalid Structure vulnerability in Object Flooding Protocol (OFP) service of Juniper Networks Junos OS Evolved allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS). On all Junos OS Evolved platforms, when specific TCP packets are received on an open OFP port, the OFP crashes leading to a restart of Routine Engine (RE). Continuous receipt of these specific TCP packets will lead to a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS Evolved * All versions earlier than 21.2R3-S7-EVO; * 21.3 versions earlier than 21.3R3-S5-EVO ; * 21.4 versions earlier than 21.4R3-S5-EVO; * 22.1 versions earlier than 22.1R3-S4-EVO; * 22.2 versions earlier than 22.2R3-S3-EVO ; * 22.3 versions earlier than 22.3R3-EVO; * 22.4 versions earlier than 22.4R2-EVO, 22.4R3-EVO.

EPSS: 0.005 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Juniper Junos_os_evolved — versions 21.2, 21.3, 21.4
Juniper Networks Junos Os Evolved — versions 0, 21.3, 21.4

Weakness classification (CWE)

CWE-228

References

sirt@juniper.net (vendor-advisory, Vendor Advisory)
sirt@juniper.net (technical-description, Third Party Advisory)

Frequently asked questions

What is CVE-2024-21612?: CVE-2024-21612 is a high-severity vulnerability in Juniper Junos OS Evolved, classified under CWE-228. CVSS score: 7.5/10. Published 2024-01-12.
How severe is CVE-2024-21612?: High severity. CVSS v3 base score is 7.5 out of 10.