Cisco IOS XR: UDP Forwarding Bypass Allows SNMP Access via Broadcast
CVE-2024-20319 Published on March 13, 2024
A vulnerability in the UDP forwarding code of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to bypass configured management plane protection policies and access the Simple Network Management Plane (SNMP) server of an affected device. This vulnerability is due to incorrect UDP forwarding programming when using SNMP with management plane protection. An attacker could exploit this vulnerability by attempting to perform an SNMP operation using broadcast as the destination address that could be processed by an affected device that is configured with an SNMP server. A successful exploit could allow the attacker to communicate to the device on the configured SNMP ports. Although an unauthenticated attacker could send UDP datagrams to the configured SNMP port, only an authenticated user can retrieve or modify data using SNMP requests.
Vulnerability Analysis
Weakness Type
What is an Authorization Vulnerability?
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2024-20319 has been classified to as an Authorization vulnerability or weakness.
Products Associated with CVE-2024-20319
You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-20319 are published in Cisco Ios Xr:
Affected Versions
Cisco IOS XR Software:- Version 5.2.0 is affected.
- Version 5.2.1 is affected.
- Version 5.2.2 is affected.
- Version 5.2.4 is affected.
- Version 5.2.3 is affected.
- Version 5.2.5 is affected.
- Version 5.2.47 is affected.
- Version 5.3.0 is affected.
- Version 5.3.1 is affected.
- Version 5.3.2 is affected.
- Version 5.3.3 is affected.
- Version 5.3.4 is affected.
- Version 6.0.0 is affected.
- Version 6.0.1 is affected.
- Version 6.0.2 is affected.
- Version 6.1.1 is affected.
- Version 6.1.2 is affected.
- Version 6.1.3 is affected.
- Version 6.1.4 is affected.
- Version 6.1.12 is affected.
- Version 6.1.22 is affected.
- Version 6.1.32 is affected.
- Version 6.1.36 is affected.
- Version 6.1.42 is affected.
- Version 6.2.1 is affected.
- Version 6.2.2 is affected.
- Version 6.2.3 is affected.
- Version 6.2.25 is affected.
- Version 6.2.11 is affected.
- Version 6.3.2 is affected.
- Version 6.3.3 is affected.
- Version 6.3.15 is affected.
- Version 6.4.1 is affected.
- Version 6.4.2 is affected.
- Version 6.4.3 is affected.
- Version 6.5.1 is affected.
- Version 6.5.2 is affected.
- Version 6.5.3 is affected.
- Version 6.5.25 is affected.
- Version 6.5.26 is affected.
- Version 6.5.28 is affected.
- Version 6.5.29 is affected.
- Version 6.5.32 is affected.
- Version 6.5.33 is affected.
- Version 6.6.2 is affected.
- Version 6.6.3 is affected.
- Version 6.6.25 is affected.
- Version 6.6.4 is affected.
- Version 7.0.1 is affected.
- Version 7.0.2 is affected.
- Version 7.0.12 is affected.
- Version 7.0.14 is affected.
- Version 7.1.1 is affected.
- Version 7.1.15 is affected.
- Version 7.1.2 is affected.
- Version 7.1.3 is affected.
- Version 6.7.1 is affected.
- Version 6.7.2 is affected.
- Version 6.7.3 is affected.
- Version 6.7.4 is affected.
- Version 7.2.0 is affected.
- Version 7.2.1 is affected.
- Version 7.2.2 is affected.
- Version 7.3.1 is affected.
- Version 7.3.15 is affected.
- Version 7.3.2 is affected.
- Version 7.3.3 is affected.
- Version 7.3.5 is affected.
- Version 7.3.6 is affected.
- Version 7.4.1 is affected.
- Version 7.4.2 is affected.
- Version 6.8.1 is affected.
- Version 6.8.2 is affected.
- Version 7.5.1 is affected.
- Version 7.5.3 is affected.
- Version 7.5.2 is affected.
- Version 7.5.4 is affected.
- Version 7.5.5 is affected.
- Version 7.6.1 is affected.
- Version 7.6.2 is affected.
- Version 7.7.1 is affected.
- Version 7.7.2 is affected.
- Version 7.7.21 is affected.
- Version 6.9.1 is affected.
- Version 6.9.2 is affected.
- Version 7.8.1 is affected.
- Version 7.8.2 is affected.
- Version 7.9.1 is affected.
- Version 7.9.2 is affected.
- Version 7.9.21 is affected.
- Version 7.10.1 is affected.
- Version 7.10.2 is affected.
- Version 7.11.1 is affected.
- Version 5.2.0 is affected.
- Version 5.2.1 is affected.
- Version 5.2.2 is affected.
- Version 5.2.4 is affected.
- Version 5.2.3 is affected.
- Version 5.2.5 is affected.
- Version 5.2.47 is affected.
- Version 5.3.0 is affected.
- Version 5.3.1 is affected.
- Version 5.3.2 is affected.
- Version 5.3.3 is affected.
- Version 5.3.4 is affected.
- Version 6.0.0 is affected.
- Version 6.0.1 is affected.
- Version 6.0.2 is affected.
- Version 6.1.1 is affected.
- Version 6.1.2 is affected.
- Version 6.1.3 is affected.
- Version 6.1.4 is affected.
- Version 6.1.12 is affected.
- Version 6.1.22 is affected.
- Version 6.1.32 is affected.
- Version 6.1.36 is affected.
- Version 6.1.42 is affected.
- Version 6.2.1 is affected.
- Version 6.2.2 is affected.
- Version 6.2.3 is affected.
- Version 6.2.25 is affected.
- Version 6.2.11 is affected.
- Version 6.3.2 is affected.
- Version 6.3.3 is affected.
- Version 6.3.15 is affected.
- Version 6.4.1 is affected.
- Version 6.4.2 is affected.
- Version 6.4.3 is affected.
- Version 6.5.1 is affected.
- Version 6.5.2 is affected.
- Version 6.5.3 is affected.
- Version 6.5.25 is affected.
- Version 6.5.26 is affected.
- Version 6.5.28 is affected.
- Version 6.5.29 is affected.
- Version 6.5.32 is affected.
- Version 6.5.33 is affected.
- Version 6.6.2 is affected.
- Version 6.6.3 is affected.
- Version 6.6.25 is affected.
- Version 6.6.4 is affected.
- Version 7.0.1 is affected.
- Version 7.0.2 is affected.
- Version 7.0.12 is affected.
- Version 7.0.14 is affected.
- Version 7.1.1 is affected.
- Version 7.1.15 is affected.
- Version 7.1.2 is affected.
- Version 7.1.3 is affected.
- Version 6.7.1 is affected.
- Version 6.7.2 is affected.
- Version 6.7.3 is affected.
- Version 6.7.4 is affected.
- Version 7.2.0 is affected.
- Version 7.2.1 is affected.
- Version 7.2.2 is affected.
- Version 7.3.1 is affected.
- Version 7.3.15 is affected.
- Version 7.3.2 is affected.
- Version 7.3.3 is affected.
- Version 7.3.5 is affected.
- Version 7.3.6 is affected.
- Version 7.4.1 is affected.
- Version 7.4.2 is affected.
- Version 6.8.1 is affected.
- Version 6.8.2 is affected.
- Version 7.5.1 is affected.
- Version 7.5.3 is affected.
- Version 7.5.2 is affected.
- Version 7.5.4 is affected.
- Version 7.5.5 is affected.
- Version 7.6.1 is affected.
- Version 7.6.2 is affected.
- Version 7.7.1 is affected.
- Version 7.7.2 is affected.
- Version 7.7.21 is affected.
- Version 6.9.1 is affected.
- Version 6.9.2 is affected.
- Version 7.8.1 is affected.
- Version 7.8.2 is affected.
- Version 7.9.1 is affected.
- Version 7.9.2 is affected.
- Version 7.9.21 is affected.
- Version 7.10.1 is affected.
- Version 7.10.2 is affected.
- Version 7.11.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.