CVE-2021-1619
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Cisco Ios Xe
PublishedSep 23, 2021
First seenSep 23, 2021
Weakness typeCWE-824CWE-824
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios_xe | 16.3.1, 16.3.1a, 16.3.2, 16.3.3, 16.3.4, 16.3.5, 16.3.5b, 16.3.6, 16.3.7, 16.3.8, 16.3.9, 16.3.10, 16.3.11, 16.4.1, 16.4.2, 16.4.3, 16.5.1, 16.5.1a, 16.5.1b, 16.5.2, 16.5.3, 16.6.1, 16.6.2, 16.6.3, 16.6.4, 16.6.4a, 16.6.4s, 16.6.5, 16.6.5a, 16.6.5b, 16.6.6, 16.6.7, 16.6.7a, 16.6.8, 16.6.9, 16.7.1, 16.7.1a, 16.7.1b, 16.7.2, 16.7.3, 16.7.4, 16.8.1, 16.8.1a, 16.8.1b, 16.8.1c, 16.8.1d, 16.8.1e, 16.8.1s, 16.8.2, 16.8.3, 16.9.1, 16.9.1a, 16.9.1b, 16.9.1c, 16.9.1d, 16.9.1s, 16.9.2, 16.9.2a, 16.9.2s, 16.9.3, 16.9.3a, 16.9.3h, 16.9.3s, 16.9.4, 16.9.4c, 16.9.5, 16.9.5f, 16.9.6, 16.9.7, 16.10.1, 16.10.1a, 16.10.1b, 16.10.1c, 16.10.1d, 16.10.1e, 16.10.1f, 16.10.1g, 16.10.1s, 16.10.2, 16.10.3, 16.11.1, 16.11.1a, 16.11.1b, 16.11.1c, 16.11.1s, 16.11.2, 16.12.1, 16.12.1a, 16.12.1c, 16.12.1s, 16.12.1t, 16.12.1w, 16.12.1x, 16.12.1y, 16.12.1z, 16.12.1z1, 16.12.1za, 16.12.2, 16.12.2a, 16.12.2s, 16.12.2t, 16.12.3, 16.12.3a, 16.12.3s, 16.12.4, 16.12.4a, 16.12.5, 16.12.5a, 16.12.5b, 17.1.1, 17.1.1a, 17.1.1s, 17.1.1t, 17.1.2, 17.1.3, 17.2.1, 17.2.1a, 17.2.1r, 17.2.1v | — |
| cisco ios_xe_sd-wan | No range specified | — |
| cisco ios_xe_sd-wan_16.10.1_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.1_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.1_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.1_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.2_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.2_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.2_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.2_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.3_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.3a_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3a_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3a_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3a_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.10.3a_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.3b_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3b_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3b_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.3b_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.10.3b_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.4_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.4_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.4_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.4_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.10.4_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.5_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.5_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.5_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.5_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.10.5_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.10.6_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.6_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.10.6_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.10.6_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.10.6_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.11.1_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.11.1a_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1a_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1a_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1a_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.11.1a_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.11.1b_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1b_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1b_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1b_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.11.1b_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.11.1d_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.11.1d_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.11.1f_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1s_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1s_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1s_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.11.1s_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.11.1s_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_1100_series_industrial_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.12.1_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_1100_series_industrial_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.12.1a_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_1100_series_industrial_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_4000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_asr_1000_series_aggregation_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_cloud_services_router_1000v | series | — |
| cisco ios_xe_sd-wan_16.12.1b_when_installed_on_integrated_services_virtual | router | — |
| cisco ios_xe_sd-wan_16.12.1b1_when_installed_on_1000_series_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b1_when_installed_on_1100_series_industrial_integrated_services | routers | — |
| cisco ios_xe_sd-wan_16.12.1b1_when_installed_on_4000_series_integrated_services | routers | — |
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