CVE-2021-1619

Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability

Published Sep 23, 2021 CVSS 3.1 · 9.8 Critical EPSS 1.8% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-7086 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Cisco Ios Xe Ios Xe Sd-wan Ios Xe Sd-wan 16.10.1 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.1 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.1 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.1 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.2 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.2 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.2 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.2 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.3 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.3 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.3 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.3 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.3a When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.3a When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.3a When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.3a When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.10.3a When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.3b When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.3b When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.3b When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.3b When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.10.3b When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.4 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.4 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.4 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.4 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.10.4 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.5 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.5 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.5 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.5 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.10.5 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.10.6 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.10.6 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.10.6 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.10.6 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.10.6 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.11.1 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.11.1 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.11.1 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.11.1 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.11.1a When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.11.1a When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.11.1a When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.11.1a When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.11.1a When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.11.1b When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.11.1b When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.11.1b When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.11.1b When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.11.1b When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.11.1d When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.11.1d When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.11.1f When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.11.1s When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.11.1s When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.11.1s When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.11.1s When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.11.1s When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1 When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1a When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1a When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1a When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1a When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1a When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1a When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1b1 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1b1 When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1b1 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1b1 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1b1 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1b1 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1b When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1b When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1b When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1b When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1b When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1b When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1c When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1c When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1c When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1c When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1c When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1c When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1d When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1d When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1d When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1d When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1d When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1d When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.1e When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.1e When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.1e When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.1e When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.1e When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.1e When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.2r When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.2r When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.2r When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.2r When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.2r When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.2r When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.3 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.3 When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.3 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.3 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.3 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.3 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.4 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.4 When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.4 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.4 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.4 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.4 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.4a When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.4a When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.4a When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.12.5 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.12.5 When Installed On 1100 Series Industrial Integrated Services Ios Xe Sd-wan 16.12.5 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.12.5 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.12.5 When Installed On Cloud Services Router 1000v Ios Xe Sd-wan 16.12.5 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.9.1 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.9.1 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.9.1 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.9.1 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.9.2 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.9.2 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.9.2 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.9.2 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.9.3 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.9.3 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.9.3 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.9.3 When Installed On Integrated Services Virtual Ios Xe Sd-wan 16.9.4 When Installed On 1000 Series Integrated Services Ios Xe Sd-wan 16.9.4 When Installed On 4000 Series Integrated Services Ios Xe Sd-wan 16.9.4 When Installed On Asr 1000 Series Aggregation Services Ios Xe Sd-wan 16.9.4 When Installed On Integrated Services Virtual
Weaknesses
  • CWE-824

    Access of Uninitialized Pointer

  • CWE-908

    Use of Uninitialized Resource

Sources

Status
PUBLISHED
Assigner
cisco
Published
Updated
Nov 7, 2024, 9:57 PM
Reserved
Nov 13, 2020, 12:00 AM
Status
Modified
Published
Sep 23, 2021, 3:15 AM
Modified
Jun 17, 2026, 3:32 AM