CVSS 3.1 Score 7.5 of 10 (high)


Published Jan 12, 2024
Updated: Jan 18, 2024
CWE ID 415


CVE-2024-21606 is a Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series. It affects all versions earlier than 20.4R3-S8, as well as various other versions. This network-based, unauthenticated vulnerability allows an attacker to cause a Denial of Service (DoS) by crashing and restarting flowd. The vulnerability has a base severity rating of HIGH, with a base score of 7.5 according to The exploitability score is 3.9, and the impact score is 3.6. The attack vector is through the network, and no user interaction or privileges are required for exploitation. The vulnerability poses a potential danger to organizations as it can lead to service disruptions and operational issues with Juniper Networks Junos OS on SRX Series devices.

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