Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-20027


A vulnerability in the implementation of the IPv4 Virtual Fragmentation Reassembly (VFR) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper reassembly of large packets that occurs when VFR is enabled on either a tunnel interface or on a physical interface that is configured with a maximum transmission unit (MTU) greater than 4,615 bytes. An attacker could exploit this vulnerability by sending fragmented packets through a VFR-enabled interface on an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.


Published

2023-03-23T17:15:13.857

Last Modified

2024-11-21T07:40:23.213

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.6 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-416
  • Type: Primary
    NVD-CWE-noinfo

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios_xe 3.9.0as Yes
Operating System cisco ios_xe 3.9.1s Yes
Operating System cisco ios_xe 3.9.2s Yes
Operating System cisco ios_xe 3.10.0s Yes
Operating System cisco ios_xe 3.10.1s Yes
Operating System cisco ios_xe 3.10.2as Yes
Operating System cisco ios_xe 3.10.2s Yes
Operating System cisco ios_xe 3.10.2ts Yes
Operating System cisco ios_xe 3.10.3s Yes
Operating System cisco ios_xe 3.10.4s Yes
Operating System cisco ios_xe 3.10.5s Yes
Operating System cisco ios_xe 3.10.6s Yes
Operating System cisco ios_xe 3.10.7s Yes
Operating System cisco ios_xe 3.10.8as Yes
Operating System cisco ios_xe 3.10.8s Yes
Operating System cisco ios_xe 3.10.9s Yes
Operating System cisco ios_xe 3.10.10s Yes
Operating System cisco ios_xe 3.11.0s Yes
Operating System cisco ios_xe 3.11.1s Yes
Operating System cisco ios_xe 3.11.2s Yes
Operating System cisco ios_xe 3.11.3s Yes
Operating System cisco ios_xe 3.11.4s Yes
Operating System cisco ios_xe 3.12.0s Yes
Operating System cisco ios_xe 3.12.1s Yes
Operating System cisco ios_xe 3.12.2s Yes
Operating System cisco ios_xe 3.12.3s Yes
Operating System cisco ios_xe 3.12.4s Yes
Operating System cisco ios_xe 3.13.0s Yes
Operating System cisco ios_xe 3.13.1s Yes
Operating System cisco ios_xe 3.13.2s Yes
Operating System cisco ios_xe 3.13.3s Yes
Operating System cisco ios_xe 3.13.4s Yes
Operating System cisco ios_xe 3.13.5s Yes
Operating System cisco ios_xe 3.13.6as Yes
Operating System cisco ios_xe 3.13.6s Yes
Operating System cisco ios_xe 3.13.7s Yes
Operating System cisco ios_xe 3.13.8s Yes
Operating System cisco ios_xe 3.13.9s Yes
Operating System cisco ios_xe 3.13.10s Yes
Operating System cisco ios_xe 3.14.0s Yes
Operating System cisco ios_xe 3.14.1s Yes
Operating System cisco ios_xe 3.14.2s Yes
Operating System cisco ios_xe 3.14.3s Yes
Operating System cisco ios_xe 3.14.4s Yes
Operating System cisco ios_xe 3.15.0s Yes
Operating System cisco ios_xe 3.15.1cs Yes
Operating System cisco ios_xe 3.15.1s Yes
Operating System cisco ios_xe 3.15.2s Yes
Operating System cisco ios_xe 3.15.3s Yes
Operating System cisco ios_xe 3.15.4s Yes
Operating System cisco ios_xe 3.16.0cs Yes
Operating System cisco ios_xe 3.16.0s Yes
Operating System cisco ios_xe 3.16.1as Yes
Operating System cisco ios_xe 3.16.2s Yes
Operating System cisco ios_xe 3.16.3s Yes
Operating System cisco ios_xe 3.16.4as Yes
Operating System cisco ios_xe 3.16.4bs Yes
Operating System cisco ios_xe 3.16.4cs Yes
Operating System cisco ios_xe 3.16.4ds Yes
Operating System cisco ios_xe 3.16.4es Yes
Operating System cisco ios_xe 3.16.4gs Yes
Operating System cisco ios_xe 3.16.5as Yes
Operating System cisco ios_xe 3.16.5bs Yes
Operating System cisco ios_xe 3.16.5s Yes
Operating System cisco ios_xe 3.16.6bs Yes
Operating System cisco ios_xe 3.16.6s Yes
Operating System cisco ios_xe 3.16.7as Yes
Operating System cisco ios_xe 3.16.7bs Yes
Operating System cisco ios_xe 3.16.7s Yes
Operating System cisco ios_xe 3.16.8s Yes
Operating System cisco ios_xe 3.16.9s Yes
Operating System cisco ios_xe 3.16.10s Yes
Operating System cisco ios_xe 3.17.0s Yes
Operating System cisco ios_xe 3.17.1s Yes
Operating System cisco ios_xe 3.17.2s Yes
Operating System cisco ios_xe 3.17.3s Yes
Operating System cisco ios_xe 3.17.4s Yes
Operating System cisco ios_xe 3.18.0as Yes
Operating System cisco ios_xe 3.18.2asp Yes
Operating System cisco ios_xe 16.2.1 Yes
Operating System cisco ios_xe 16.2.2 Yes
Operating System cisco ios_xe 16.3.1 Yes
Operating System cisco ios_xe 16.3.1a Yes
Operating System cisco ios_xe 16.3.2 Yes
Operating System cisco ios_xe 16.3.3 Yes
Operating System cisco ios_xe 16.3.4 Yes
Operating System cisco ios_xe 16.3.5 Yes
Operating System cisco ios_xe 16.3.6 Yes
Operating System cisco ios_xe 16.3.7 Yes
Operating System cisco ios_xe 16.3.8 Yes
Operating System cisco ios_xe 16.3.9 Yes
Operating System cisco ios_xe 16.3.10 Yes
Operating System cisco ios_xe 16.3.11 Yes
Operating System cisco ios_xe 16.4.1 Yes
Operating System cisco ios_xe 16.4.2 Yes
Operating System cisco ios_xe 16.4.3 Yes
Operating System cisco ios_xe 16.5.1 Yes
Operating System cisco ios_xe 16.5.1b Yes
Operating System cisco ios_xe 16.5.2 Yes
Operating System cisco ios_xe 16.5.3 Yes
Operating System cisco ios_xe 16.6.1 Yes
Operating System cisco ios_xe 16.6.2 Yes
Operating System cisco ios_xe 16.6.3 Yes
Operating System cisco ios_xe 16.6.4 Yes
Operating System cisco ios_xe 16.6.4s Yes
Operating System cisco ios_xe 16.6.5 Yes
Operating System cisco ios_xe 16.6.6 Yes
Operating System cisco ios_xe 16.6.7 Yes
Operating System cisco ios_xe 16.6.8 Yes
Operating System cisco ios_xe 16.6.9 Yes
Operating System cisco ios_xe 16.6.10 Yes
Operating System cisco ios_xe 16.7.1 Yes
Operating System cisco ios_xe 16.7.2 Yes
Operating System cisco ios_xe 16.7.3 Yes
Operating System cisco ios_xe 16.8.1 Yes
Operating System cisco ios_xe 16.8.1s Yes
Operating System cisco ios_xe 16.8.2 Yes
Operating System cisco ios_xe 16.8.3 Yes
Operating System cisco ios_xe 16.9.1 Yes
Operating System cisco ios_xe 16.9.1s Yes
Operating System cisco ios_xe 16.9.2 Yes
Operating System cisco ios_xe 16.9.2s Yes
Operating System cisco ios_xe 16.9.3 Yes
Operating System cisco ios_xe 16.9.3s Yes
Operating System cisco ios_xe 16.9.4 Yes
Operating System cisco ios_xe 16.9.5 Yes
Operating System cisco ios_xe 16.9.6 Yes
Operating System cisco ios_xe 16.9.7 Yes
Operating System cisco ios_xe 16.9.8 Yes
Operating System cisco ios_xe 16.9.8a Yes
Operating System cisco ios_xe 16.9.8c Yes
Operating System cisco ios_xe 16.10.1 Yes
Operating System cisco ios_xe 16.10.1a Yes
Operating System cisco ios_xe 16.10.1b Yes
Operating System cisco ios_xe 16.10.1e Yes
Operating System cisco ios_xe 16.10.1s Yes
Operating System cisco ios_xe 16.10.2 Yes
Operating System cisco ios_xe 16.10.3 Yes
Operating System cisco ios_xe 16.11.1 Yes
Operating System cisco ios_xe 16.11.1a Yes
Operating System cisco ios_xe 16.11.1c Yes
Operating System cisco ios_xe 16.11.1s Yes
Operating System cisco ios_xe 16.11.2 Yes
Operating System cisco ios_xe 16.12.1 Yes
Operating System cisco ios_xe 16.12.1a Yes
Operating System cisco ios_xe 16.12.1c Yes
Operating System cisco ios_xe 16.12.1s Yes
Operating System cisco ios_xe 16.12.2 Yes
Operating System cisco ios_xe 16.12.2s Yes
Operating System cisco ios_xe 16.12.2t Yes
Operating System cisco ios_xe 16.12.3 Yes
Operating System cisco ios_xe 16.12.3s Yes
Operating System cisco ios_xe 16.12.4 Yes
Operating System cisco ios_xe 16.12.5 Yes
Operating System cisco ios_xe 16.12.6 Yes
Operating System cisco ios_xe 16.12.7 Yes
Operating System cisco ios_xe 16.12.8 Yes
Operating System cisco ios_xe 17.1.1 Yes
Operating System cisco ios_xe 17.1.1s Yes
Operating System cisco ios_xe 17.1.1t Yes
Operating System cisco ios_xe 17.1.2 Yes
Operating System cisco ios_xe 17.1.3 Yes
Operating System cisco ios_xe 17.2.1 Yes
Operating System cisco ios_xe 17.2.1r Yes
Operating System cisco ios_xe 17.2.1v Yes
Operating System cisco ios_xe 17.2.2 Yes
Operating System cisco ios_xe 17.2.3 Yes
Operating System cisco ios_xe 17.3.1 Yes
Operating System cisco ios_xe 17.3.1a Yes
Operating System cisco ios_xe 17.3.2 Yes
Operating System cisco ios_xe 17.3.3 Yes
Operating System cisco ios_xe 17.3.4 Yes
Operating System cisco ios_xe 17.3.4a Yes
Operating System cisco ios_xe 17.3.5 Yes
Operating System cisco ios_xe 17.4.1 Yes
Operating System cisco ios_xe 17.4.1a Yes
Operating System cisco ios_xe 17.4.1b Yes
Operating System cisco ios_xe 17.4.2 Yes
Operating System cisco ios_xe 17.5.1 Yes
Operating System cisco ios_xe 17.5.1a Yes
Operating System cisco ios_xe 17.6.1 Yes
Operating System cisco ios_xe 17.6.1a Yes
Operating System cisco ios_xe 17.6.2 Yes
Operating System cisco ios_xe 17.6.3 Yes
Operating System cisco ios_xe 17.6.3a Yes
Operating System cisco ios_xe 17.7.1 Yes
Operating System cisco ios_xe 17.7.1a Yes
Operating System cisco ios_xe 17.7.2 Yes
Operating System cisco ios_xe 17.8.1 Yes
Operating System cisco ios_xe 17.8.1a Yes
Application cisco catalyst_8000v_edge - No
Application cisco cloud_services_router_1000v - No
Hardware cisco 1000_integrated_services_router - No
Hardware cisco 1100-4g\/6g_integrated_services_router - No
Hardware cisco 1100-4g_integrated_services_router - No
Hardware cisco 1100-4p_integrated_services_router - No
Hardware cisco 1100-6g_integrated_services_router - No
Hardware cisco 1100-8p_integrated_services_router - No
Hardware cisco 1100_integrated_services_router - No
Hardware cisco 1101-4p_integrated_services_router - No
Hardware cisco 1101_integrated_services_router - No
Hardware cisco 1109-2p_integrated_services_router - No
Hardware cisco 1109-4p_integrated_services_router - No
Hardware cisco 1109_integrated_services_router - No
Hardware cisco 1111x-8p_integrated_services_router - No
Hardware cisco 1111x_integrated_services_router - No
Hardware cisco 111x_integrated_services_router - No
Hardware cisco 1120_integrated_services_router - No
Hardware cisco 1131_integrated_services_router - No
Hardware cisco 1160_integrated_services_router - No
Hardware cisco 4221_integrated_services_router - No
Hardware cisco 4321_integrated_services_router - No
Hardware cisco 4331_integrated_services_router - No
Hardware cisco 4351_integrated_services_router - No
Hardware cisco 4431_integrated_services_router - No
Hardware cisco 4451-x_integrated_services_router - No
Hardware cisco 4461_integrated_services_router - No
Hardware cisco c8200-1n-4t - No
Hardware cisco c8200l-1n-4t - No
Hardware cisco c8500l-8s4x - No
Hardware cisco catalyst_8300-1n1s-4t2x - No
Hardware cisco catalyst_8300-1n1s-6t - No
Hardware cisco catalyst_8300-2n2s-4t2x - No
Hardware cisco catalyst_8300-2n2s-6t - No

References