CVSS 3.1 Score 7.5 of 10 (high)


Published Jan 12, 2024
Updated: Jan 18, 2024
CWE ID 401


CVE-2024-21611 is a vulnerability that affects the Routing Protocol Daemon (rpd) in Juniper Networks Junos OS and Junos OS Evolved. It allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS) by exploiting a Missing Release of Memory after Effective Lifetime vulnerability. In a specific scenario involving Juniper Flow Monitoring (jflow), route churn can lead to a slow memory leak, eventually causing rpd to crash and restart. To check the memory utilization in the affected areas, a command can be used. The affected versions of Junos OS and Junos OS Evolved are listed, and the potential danger to an organization is high due to the availability impact of the DoS attack.

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