CWE
908 824
Advisory Published
Updated

CVE-2021-1619: Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability

First published: Wed Sep 22 2021(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XE=16.3.1
Cisco IOS XE=16.3.1a
Cisco IOS XE=16.3.2
Cisco IOS XE=16.3.3
Cisco IOS XE=16.3.4
Cisco IOS XE=16.3.5
Cisco IOS XE=16.3.5b
Cisco IOS XE=16.3.6
Cisco IOS XE=16.3.7
Cisco IOS XE=16.3.8
Cisco IOS XE=16.3.9
Cisco IOS XE=16.3.10
Cisco IOS XE=16.3.11
Cisco IOS XE=16.4.1
Cisco IOS XE=16.4.2
Cisco IOS XE=16.4.3
Cisco IOS XE=16.5.1
Cisco IOS XE=16.5.1a
Cisco IOS XE=16.5.1b
Cisco IOS XE=16.5.2
Cisco IOS XE=16.5.3
Cisco IOS XE=16.6.1
Cisco IOS XE=16.6.2
Cisco IOS XE=16.6.3
Cisco IOS XE=16.6.4
Cisco IOS XE=16.6.4a
Cisco IOS XE=16.6.4s
Cisco IOS XE=16.6.5
Cisco IOS XE=16.6.5a
Cisco IOS XE=16.6.5b
Cisco IOS XE=16.6.6
Cisco IOS XE=16.6.7
Cisco IOS XE=16.6.7a
Cisco IOS XE=16.6.8
Cisco IOS XE=16.6.9
Cisco IOS XE=16.7.1
Cisco IOS XE=16.7.1a
Cisco IOS XE=16.7.1b
Cisco IOS XE=16.7.2
Cisco IOS XE=16.7.3
Cisco IOS XE=16.7.4
Cisco IOS XE=16.8.1
Cisco IOS XE=16.8.1a
Cisco IOS XE=16.8.1b
Cisco IOS XE=16.8.1c
Cisco IOS XE=16.8.1d
Cisco IOS XE=16.8.1e
Cisco IOS XE=16.8.1s
Cisco IOS XE=16.8.2
Cisco IOS XE=16.8.3
Cisco IOS XE=16.9.1
Cisco IOS XE=16.9.1a
Cisco IOS XE=16.9.1b
Cisco IOS XE=16.9.1c
Cisco IOS XE=16.9.1d
Cisco IOS XE=16.9.1s
Cisco IOS XE=16.9.2
Cisco IOS XE=16.9.2a
Cisco IOS XE=16.9.2s
Cisco IOS XE=16.9.3
Cisco IOS XE=16.9.3a
Cisco IOS XE=16.9.3h
Cisco IOS XE=16.9.3s
Cisco IOS XE=16.9.4
Cisco IOS XE=16.9.4c
Cisco IOS XE=16.9.5
Cisco IOS XE=16.9.5f
Cisco IOS XE=16.9.6
Cisco IOS XE=16.9.7
Cisco IOS XE=16.10.1
Cisco IOS XE=16.10.1a
Cisco IOS XE=16.10.1b
Cisco IOS XE=16.10.1c
Cisco IOS XE=16.10.1d
Cisco IOS XE=16.10.1e
Cisco IOS XE=16.10.1f
Cisco IOS XE=16.10.1g
Cisco IOS XE=16.10.1s
Cisco IOS XE=16.10.2
Cisco IOS XE=16.10.3
Cisco IOS XE=16.11.1
Cisco IOS XE=16.11.1a
Cisco IOS XE=16.11.1b
Cisco IOS XE=16.11.1c
Cisco IOS XE=16.11.1s
Cisco IOS XE=16.11.2
Cisco IOS XE=16.12.1
Cisco IOS XE=16.12.1a
Cisco IOS XE=16.12.1c
Cisco IOS XE=16.12.1s
Cisco IOS XE=16.12.1t
Cisco IOS XE=16.12.1w
Cisco IOS XE=16.12.1x
Cisco IOS XE=16.12.1y
Cisco IOS XE=16.12.1z
Cisco IOS XE=16.12.1z1
Cisco IOS XE=16.12.1za
Cisco IOS XE=16.12.2
Cisco IOS XE=16.12.2a
Cisco IOS XE=16.12.2s
Cisco IOS XE=16.12.2t
Cisco IOS XE=16.12.3
Cisco IOS XE=16.12.3a
Cisco IOS XE=16.12.3s
Cisco IOS XE=16.12.4
Cisco IOS XE=16.12.4a
Cisco IOS XE=16.12.5
Cisco IOS XE=16.12.5a
Cisco IOS XE=16.12.5b
Cisco IOS XE=17.1.1
Cisco IOS XE=17.1.1a
Cisco IOS XE=17.1.1s
Cisco IOS XE=17.1.1t
Cisco IOS XE=17.1.2
Cisco IOS XE=17.1.3
Cisco IOS XE=17.2.1
Cisco IOS XE=17.2.1a
Cisco IOS XE=17.2.1r
Cisco IOS XE=17.2.1v
Cisco IOS XE SD-WAN
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
Cisco Ios Xe Sd-wan 16.12.1b1 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.1b1 When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.1b1 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.1c When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1c When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1c When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1c When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.1c When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.1c When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.1d When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1d When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1d When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1d When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.1d When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.1d When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.1e When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1e When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1e When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.1e When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.1e When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.1e When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.2r When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.2r When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.2r When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.2r When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.2r When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.2r When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.3 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.3 When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.3 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.3 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.3 When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.3 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.4 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.4 When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.4 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.4 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.4 When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.4 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.4a When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.4a When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.4a When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.12.5 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.5 When Installed On 1100 Series Industrial Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.5 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.12.5 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.12.5 When Installed On Cloud Services Router 1000v=series
Cisco Ios Xe Sd-wan 16.12.5 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.9.1 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.1 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.1 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.9.1 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.9.2 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.2 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.2 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.9.2 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.9.3 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.3 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.3 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.9.3 When Installed On Integrated Services Virtual=router
Cisco Ios Xe Sd-wan 16.9.4 When Installed On 1000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.4 When Installed On 4000 Series Integrated Services=routers
Cisco Ios Xe Sd-wan 16.9.4 When Installed On Asr 1000 Series Aggregation Services=routers
Cisco Ios Xe Sd-wan 16.9.4 When Installed On Integrated Services Virtual=router

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203