CVE-2024-20319

2024-03-1316:47:09

cisco

github.com

cisco

vulnerability

unauthenticated

management plane

snmp

bypass

udp

datagrams

ios xr software

4.3 Medium

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

7 High

AI Score

Confidence

Low

JSON

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.

CNA Affected

[
  {
    "vendor": "Cisco",
    "product": "Cisco IOS XR Software",
    "versions": [
      {
        "status": "affected",
        "version": "5.2.0"
      },
      {
        "status": "affected",
        "version": "5.2.1"
      },
      {
        "status": "affected",
        "version": "5.2.2"
      },
      {
        "status": "affected",
        "version": "5.2.4"
      },
      {
        "status": "affected",
        "version": "5.2.3"
      },
      {
        "status": "affected",
        "version": "5.2.5"
      },
      {
        "status": "affected",
        "version": "5.2.47"
      },
      {
        "status": "affected",
        "version": "5.3.0"
      },
      {
        "status": "affected",
        "version": "5.3.1"
      },
      {
        "status": "affected",
        "version": "5.3.2"
      },
      {
        "status": "affected",
        "version": "5.3.3"
      },
      {
        "status": "affected",
        "version": "5.3.4"
      },
      {
        "status": "affected",
        "version": "6.0.0"
      },
      {
        "status": "affected",
        "version": "6.0.1"
      },
      {
        "status": "affected",
        "version": "6.0.2"
      },
      {
        "status": "affected",
        "version": "6.1.1"
      },
      {
        "status": "affected",
        "version": "6.1.2"
      },
      {
        "status": "affected",
        "version": "6.1.3"
      },
      {
        "status": "affected",
        "version": "6.1.4"
      },
      {
        "status": "affected",
        "version": "6.1.12"
      },
      {
        "status": "affected",
        "version": "6.1.22"
      },
      {
        "status": "affected",
        "version": "6.1.32"
      },
      {
        "status": "affected",
        "version": "6.1.36"
      },
      {
        "status": "affected",
        "version": "6.1.42"
      },
      {
        "status": "affected",
        "version": "6.2.1"
      },
      {
        "status": "affected",
        "version": "6.2.2"
      },
      {
        "status": "affected",
        "version": "6.2.3"
      },
      {
        "status": "affected",
        "version": "6.2.25"
      },
      {
        "status": "affected",
        "version": "6.2.11"
      },
      {
        "status": "affected",
        "version": "6.3.2"
      },
      {
        "status": "affected",
        "version": "6.3.3"
      },
      {
        "status": "affected",
        "version": "6.3.15"
      },
      {
        "status": "affected",
        "version": "6.4.1"
      },
      {
        "status": "affected",
        "version": "6.4.2"
      },
      {
        "status": "affected",
        "version": "6.4.3"
      },
      {
        "status": "affected",
        "version": "6.5.1"
      },
      {
        "status": "affected",
        "version": "6.5.2"
      },
      {
        "status": "affected",
        "version": "6.5.3"
      },
      {
        "status": "affected",
        "version": "6.5.25"
      },
      {
        "status": "affected",
        "version": "6.5.26"
      },
      {
        "status": "affected",
        "version": "6.5.28"
      },
      {
        "status": "affected",
        "version": "6.5.29"
      },
      {
        "status": "affected",
        "version": "6.5.32"
      },
      {
        "status": "affected",
        "version": "6.5.33"
      },
      {
        "status": "affected",
        "version": "6.6.2"
      },
      {
        "status": "affected",
        "version": "6.6.3"
      },
      {
        "status": "affected",
        "version": "6.6.25"
      },
      {
        "status": "affected",
        "version": "6.6.4"
      },
      {
        "status": "affected",
        "version": "7.0.1"
      },
      {
        "status": "affected",
        "version": "7.0.2"
      },
      {
        "status": "affected",
        "version": "7.0.12"
      },
      {
        "status": "affected",
        "version": "7.0.14"
      },
      {
        "status": "affected",
        "version": "7.1.1"
      },
      {
        "status": "affected",
        "version": "7.1.15"
      },
      {
        "status": "affected",
        "version": "7.1.2"
      },
      {
        "status": "affected",
        "version": "7.1.3"
      },
      {
        "status": "affected",
        "version": "6.7.1"
      },
      {
        "status": "affected",
        "version": "6.7.2"
      },
      {
        "status": "affected",
        "version": "6.7.3"
      },
      {
        "status": "affected",
        "version": "6.7.4"
      },
      {
        "status": "affected",
        "version": "7.2.0"
      },
      {
        "status": "affected",
        "version": "7.2.1"
      },
      {
        "status": "affected",
        "version": "7.2.2"
      },
      {
        "status": "affected",
        "version": "7.3.1"
      },
      {
        "status": "affected",
        "version": "7.3.15"
      },
      {
        "status": "affected",
        "version": "7.3.2"
      },
      {
        "status": "affected",
        "version": "7.3.3"
      },
      {
        "status": "affected",
        "version": "7.3.5"
      },
      {
        "status": "affected",
        "version": "7.3.6"
      },
      {
        "status": "affected",
        "version": "7.4.1"
      },
      {
        "status": "affected",
        "version": "7.4.2"
      },
      {
        "status": "affected",
        "version": "6.8.1"
      },
      {
        "status": "affected",
        "version": "6.8.2"
      },
      {
        "status": "affected",
        "version": "7.5.1"
      },
      {
        "status": "affected",
        "version": "7.5.3"
      },
      {
        "status": "affected",
        "version": "7.5.2"
      },
      {
        "status": "affected",
        "version": "7.5.4"
      },
      {
        "status": "affected",
        "version": "7.5.5"
      },
      {
        "status": "affected",
        "version": "7.6.1"
      },
      {
        "status": "affected",
        "version": "7.6.2"
      },
      {
        "status": "affected",
        "version": "7.7.1"
      },
      {
        "status": "affected",
        "version": "7.7.2"
      },
      {
        "status": "affected",
        "version": "7.7.21"
      },
      {
        "status": "affected",
        "version": "6.9.1"
      },
      {
        "status": "affected",
        "version": "6.9.2"
      },
      {
        "status": "affected",
        "version": "7.8.1"
      },
      {
        "status": "affected",
        "version": "7.8.2"
      },
      {
        "status": "affected",
        "version": "7.9.1"
      },
      {
        "status": "affected",
        "version": "7.9.2"
      },
      {
        "status": "affected",
        "version": "7.9.21"
      },
      {
        "status": "affected",
        "version": "7.10.1"
      },
      {
        "status": "affected",
        "version": "7.10.2"
      },
      {
        "status": "affected",
        "version": "7.11.1"
      }
    ]
  }
]