CVSS 3.1 Score 4.3 of 10 (medium)


Published Mar 13, 2024
CWE ID 284


CVE-2024-20319 is a vulnerability in the UDP forwarding code of Cisco IOS XR Software that could allow an unauthenticated attacker to bypass management plane protection policies and access the SNMP server. The vulnerability occurs due to incorrect UDP forwarding programming when using SNMP with management plane protection. An attacker can exploit this by attempting to perform an SNMP operation using broadcast as the destination address. While an unauthenticated attacker can send UDP datagrams to the configured SNMP port, only an authenticated user can retrieve or modify data using SNMP requests. The vulnerability has a base severity of MEDIUM with a base score of 4.3 in CVSS:3.1, indicating a potential danger for organizations using the affected Cisco IOS XR Software.

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