Advisory Published
Updated

CVE-2021-34722

First published: Thu Sep 09 2021(Updated: )

Multiple vulnerabilities in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to gain access to the underlying root shell of an affected device and execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XR>=7.1.1<7.3.2
Cisco IOS XR>=7.4.0<7.4.1
Cisco Asr 9000v-v2
Cisco Asr 9001
Cisco Asr 9006
Cisco Asr 9010
Cisco Asr 9901
Cisco Asr 9902
Cisco Asr 9903
Cisco Asr 9904
Cisco Asr 9906
Cisco Asr 9910
Cisco Asr 9912
Cisco Asr 9922
Cisco Ios Xrv
Cisco Ios Xrv 9000
Cisco Ncs 520
Cisco Ncs 540
Cisco Ncs 540 Fronthaul
Cisco Ncs 560-4
Cisco Ncs 560-7
Cisco Ncs 5001
Cisco Ncs 5002
Cisco Ncs 5011
Cisco Ncs 5501
Cisco Ncs 5501-se
Cisco Ncs 5502
Cisco Ncs 5502-se
Cisco Ncs 5508
Cisco Ncs 5516
Cisco Ncs 6000
Cisco Ncs 6008
Cisco Ncs 1001
Cisco Ncs 1002
Cisco Ncs 1004
Cisco 8101-32fh
Cisco 8101-32h
Cisco 8102-64h
Cisco 8201
Cisco 8201-32fh
Cisco 8202
Cisco 8804
Cisco 8808
Cisco 8812
Cisco 8818

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.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-34722.

  • What is the severity of CVE-2021-34722?

    The severity of CVE-2021-34722 is high (6.7).

  • What is the affected software?

    The affected software is Cisco IOS XR Software versions 7.1.1 to 7.3.2 and 7.4.0 to 7.4.1.

  • How can an attacker exploit CVE-2021-34722?

    An attacker can exploit CVE-2021-34722 by gaining access to the CLI of an affected device and executing arbitrary commands with root privileges.

  • Where can I find more information about CVE-2021-34722?

    You can find more information about CVE-2021-34722 in the Cisco Security Advisory at https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-cmd-inj-wbZKvPxc.

Company

Resources

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