CVE-2021-1281

Summary

CVECVE-2021-1281
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-24 21:15:00 UTC
Updated2023-11-07 03:27:00 UTC
DescriptionA vulnerability in CLI management in Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to access the underlying operating system as the root user. This vulnerability is due to the way the software handles concurrent CLI sessions. An attacker could exploit this vulnerability by authenticating to the device as an administrative user and executing a sequence of commands. A successful exploit could allow the attacker to obtain access to the underlying operating system as the root user.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Ios Xe 16.10.1 All All All
Operating System Cisco Ios Xe 16.10.1a All All All
Operating System Cisco Ios Xe 16.10.1b All All All
Operating System Cisco Ios Xe 16.10.1c All All All
Operating System Cisco Ios Xe 16.10.1d All All All
Operating System Cisco Ios Xe 16.10.1e All All All
Operating System Cisco Ios Xe 16.10.1f All All All
Operating System Cisco Ios Xe 16.10.1g All All All
Operating System Cisco Ios Xe 16.10.1s All All All
Operating System Cisco Ios Xe 16.10.2 All All All
Operating System Cisco Ios Xe 16.10.3 All All All
Operating System Cisco Ios Xe 16.11.1 All All All
Operating System Cisco Ios Xe 16.11.1a All All All
Operating System Cisco Ios Xe 16.11.1b All All All
Operating System Cisco Ios Xe 16.11.1c All All All
Operating System Cisco Ios Xe 16.11.1s All All All
Operating System Cisco Ios Xe 16.11.2 All All All
Operating System Cisco Ios Xe 16.12.1 All All All
Operating System Cisco Ios Xe 16.12.1a All All All
Operating System Cisco Ios Xe 16.12.1c All All All
Operating System Cisco Ios Xe 16.12.1s All All All
Operating System Cisco Ios Xe 16.12.1t All All All
Operating System Cisco Ios Xe 16.12.1w All All All
Operating System Cisco Ios Xe 16.12.1x All All All
Operating System Cisco Ios Xe 16.12.1y All All All
Operating System Cisco Ios Xe 16.12.1z All All All
Operating System Cisco Ios Xe 16.12.1za All All All
Operating System Cisco Ios Xe 16.12.2 All All All
Operating System Cisco Ios Xe 16.12.2a All All All
Operating System Cisco Ios Xe 16.12.2s All All All
Operating System Cisco Ios Xe 16.12.2t All All All
Operating System Cisco Ios Xe 16.12.3 All All All
Operating System Cisco Ios Xe 16.12.3a All All All
Operating System Cisco Ios Xe 16.12.3s All All All
Operating System Cisco Ios Xe 16.12.4 All All All
Operating System Cisco Ios Xe 16.12.4a All All All
Operating System Cisco Ios Xe 16.9.1 All All All
Operating System Cisco Ios Xe 16.9.2 All All All
Operating System Cisco Ios Xe 16.9.3 All All All
Operating System Cisco Ios Xe 16.9.4 All All All
Operating System Cisco Ios Xe 17.1.1 All All All
Operating System Cisco Ios Xe 17.1.1a All All All
Operating System Cisco Ios Xe 17.1.1s All All All
Operating System Cisco Ios Xe 17.1.1t All All All
Operating System Cisco Ios Xe 17.1.2 All All All
Operating System Cisco Ios Xe 17.1.3 All All All
Operating System Cisco Ios Xe 17.2.1 All All All
Operating System Cisco Ios Xe 17.2.1a All All All
Operating System Cisco Ios Xe 17.2.1r All All All
Operating System Cisco Ios Xe 17.2.1v All All All
Operating System Cisco Ios Xe 17.2.2 All All All
Operating System Cisco Ios Xe 17.3.1 All All All
Operating System Cisco Ios Xe 17.3.1a All All All
Operating System Cisco Ios Xe 17.3.1w All All All
Operating System Cisco Ios Xe 17.3.2 All All All
Operating System Cisco Ios Xe 17.3.2a All All All
Operating System Cisco Ios Xe 17.4.1 All All All
Operating System Cisco Ios Xe 17.4.1a All All All
Operating System Cisco Ios Xe 17.4.1b All All All

References

ReferenceSourceLinkTags
Cisco IOS XE SD-WAN Software Privilege Escalation Vulnerability CISCO tools.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report