CVE-2024-21616

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Jan 12, 2024
Updated: Jan 19, 2024
CWE ID 1286

Summary

CVE-2024-21616 is a Denial of Service (DoS) vulnerability affecting Juniper Networks Junos OS on MX Series and SRX Series. This issue arises due to an Improper Validation of Syntactic Correctness of Input in the Packet Forwarding Engine (PFE). When SIP ALG is enabled and a particular SIP packet is processed, NAT IP allocation fails for legitimate traffic, resulting in a sustained DoS condition. The affected versions include all releases prior to 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 21.4R3, 22.1R3-S4, 22.2R3-S3, 22.3R3-S1, 22.4R2-S2, 22.4R3, and 23.2R1-S1, 23.2R2. To monitor NAT IP usage, users can run the 'show security nat resource-usage source-pool <source_pool_name>' command.

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Affected Products

  • Juniper Junos

Affected Vendors

  • Juniper Networks

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