CVSS 3.1 Score 5.5 of 10 (medium)


Published Jan 12, 2024
Updated: Jan 18, 2024
CWE ID 122
CWE ID 787


CVE-2024-21594 is a Heap-based Buffer Overflow vulnerability in the Network Services Daemon (NSD) of Juniper Networks Junos OS. This vulnerability allows authenticated, low privileged, local attackers to cause a Denial of Service (DoS). When executing a specific command repeatedly on an SRX 5000 Series device, memory corruption occurs, leading to a crash of the Flow Processing Daemon (flowd). To restore services, the NSD process needs to be restarted. This vulnerability affects various versions of Junos OS on SRX 5000 Series devices. The vulnerability has a base severity rating of MEDIUM and an exploitability score of 1.8 out of 10. The potential danger it poses to an organization is that it allows attackers to disrupt network services and potentially impact the availability of critical systems.

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