CWE
201
Advisory Published
Updated

CVE-2021-1128: Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability

First published: Thu Feb 04 2021(Updated: )

A vulnerability in the CLI parser of Cisco IOS XR Software could allow an authenticated, local attacker to view more information than their privileges allow. The vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by using a specific command at the command line. A successful exploit could allow the attacker to obtain sensitive information within the configuration that otherwise might not have been accessible beyond the privileges of the invoking user.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco IOS XR<7.1.2
Cisco IOS XR=7.2.0
Cisco IOS XR=7.3.0

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.

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2021-1128.

  • What is the title of this vulnerability?

    The title of this vulnerability is 'A vulnerability in the CLI parser of Cisco IOS XR Software could allow an authenticated local attack…'

  • What is the severity of CVE-2021-1128?

    The severity of CVE-2021-1128 is medium.

  • Which software versions are affected by CVE-2021-1128?

    The affected software versions are Cisco IOS XR 7.1.2, 7.2.0, and 7.3.0.

  • How can an attacker exploit CVE-2021-1128?

    An attacker could exploit CVE-2021-1128 by executing a specific command to view more information than their privileges allow.

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