CVE-2021-1619

CRITICAL

9.8

Description

A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Install, manipulate, or delete the configuration of an affected device Cause memory corruption that results in a denial of service (DoS) on an affected device This vulnerability is due to an uninitialized variable. An attacker could exploit this vulnerability by sending a series of NETCONF or RESTCONF requests to an affected device. A successful exploit could allow the attacker to use NETCONF or RESTCONF to install, manipulate, or delete the configuration of a network device or to corrupt memory on the device, resulting a DoS.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/23/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

cisco:ios_xecisco:ios_xe_sd-wancisco:ios_xe_sd-wan_16.10.1_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.1_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.1_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.1_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.2_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.2_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.2_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.2_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.3_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.3_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.3a_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3a_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3a_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.3a_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.10.3a_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.3b_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3b_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.3b_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.3b_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.10.3b_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.4_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.4_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.4_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.4_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.10.4_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.5_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.5_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.5_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.5_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.10.5_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.10.6_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.6_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.10.6_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.10.6_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.10.6_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.11.1_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.11.1_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.11.1a_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1a_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1a_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.11.1a_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.11.1a_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.11.1b_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1b_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1b_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.11.1b_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.11.1b_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.11.1d_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.11.1d_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.11.1f_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1s_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1s_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.11.1s_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.11.1s_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.11.1s_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1a_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1a_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1a_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1a_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1a_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1a_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1b1_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1b_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1b_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1b_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1b_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1b_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1b_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1c_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1c_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1c_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1c_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1c_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1c_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1d_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1d_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1d_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1d_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1d_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1d_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.1e_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1e_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.1e_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.1e_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.1e_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.1e_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.2r_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.2r_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.2r_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.2r_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.2r_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.2r_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.3_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.3_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.3_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.3_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.3_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.3_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.4_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.4_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.4_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.4_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.4_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.4_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.4a_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.4a_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.4a_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.12.5_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.5_when_installed_on_1100_series_industrial_integrated_servicescisco:ios_xe_sd-wan_16.12.5_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.12.5_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.12.5_when_installed_on_cloud_services_router_1000vcisco:ios_xe_sd-wan_16.12.5_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.9.1_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.1_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.1_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.9.1_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.9.2_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.2_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.2_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.9.2_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.9.3_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.3_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.3_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.9.3_when_installed_on_integrated_services_virtualcisco:ios_xe_sd-wan_16.9.4_when_installed_on_1000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.4_when_installed_on_4000_series_integrated_servicescisco:ios_xe_sd-wan_16.9.4_when_installed_on_asr_1000_series_aggregation_servicescisco:ios_xe_sd-wan_16.9.4_when_installed_on_integrated_services_virtual

Weaknesses (CWE)

CWE-824CWE-908

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaa-Yx47ZT8Q(psirt@cisco.com)

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-aaa-Yx47ZT8Q(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.