CVE-2024-21604

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Jan 12, 2024
Updated: Jan 19, 2024
CWE ID 770

Summary

CVE-2024-21604 is a Denial of Service (DoS) vulnerability impacting the kernel of Juniper Networks Junos OS Evolved. An unauthenticated, network-based attacker can trigger the issue by sending a high rate of specific valid packets to the routing engine (RE). This causes the RE to lose connectivity with other components, leading to a complete and persistent system outage. Log messages indicating a table being full and dropping packets are indicative of this issue. Affected versions include all releases before 20.4R3-S7-EVO, as well as specific versions of 21.2R1-EVO, 21.4-EVO, 22.1-EVO, 22.2-EVO, 22.3-EVO, and 22.4-EVO. Carefully designed firewall filters can help prevent this vulnerability from being exploited.

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Affected Products

  • Juniper Junos Os Evolved

Affected Vendors

  • Juniper Networks

Advisories, Assessments, and Mitigations

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