medium
5.5
CWE
798 540
Advisory Published
Updated

CVE-2021-34757: Cisco Business 220 Series Smart Switches Static Key and Password Vulnerabilities

First published: Wed Oct 06 2021(Updated: )

Multiple vulnerabilities in Cisco Business 220 Series Smart Switches firmware could allow an attacker with Administrator privileges to access sensitive login credentials or reconfigure the passwords on the user account. For more information about these vulnerabilities, see the Details section of this advisory.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Business 220-8t-e-2g<=1.2.0.6
Cisco Business 220-8t-e-2g Firmware
Cisco Business 220-8p-e-2g<=1.2.0.6
Cisco Business 220-8p-e-2g Firmware
Cisco Business 220-8fp-e-2g Firmware<=1.2.0.6
Cisco Business 220-8fp-e-2g Firmware
Cisco Business 220-16T-2G Firmware<=1.2.0.6
Cisco Business 220-16t-2g Firmware
Cisco Business 220-16p-2g Firmware<=1.2.0.6
Cisco Business 220-16p-2g Firmware
Cisco Business 220-24t-4g Firmware<=1.2.0.6
Cisco Business 220-24t-4g Firmware
Cisco Business 220-24p-4g Firmware<=1.2.0.6
Cisco Business 220-24p-4g Firmware
Cisco Business 220-24fp-4g Firmware<=1.2.0.6
Cisco Business 220-24t-4g Firmware
Cisco Business 220-48T-4G Firmware<=1.2.0.6
Cisco Business 220-48t-4g Firmware
Cisco Business 220 Series Firmware<=1.2.0.6
Cisco Business 220-48p-4g
Cisco Business 220-24t-4x<=1.2.0.6
Cisco Business 220-24t-4x Firmware
Cisco Business 220-24p-4x<=1.2.0.6
Cisco Business 220-24p-4x Firmware
Cisco Business 220-24fp-4x Firmware<=1.2.0.6
Cisco Business 220-24fp-4x Firmware
Cisco Business 220 Series Firmware<=1.2.0.6
Cisco Business 220-48t-4x Firmware
Cisco Business 220-48p-4x Firmware<=1.2.0.6
Cisco Business 220-48p-4x Firmware
Cisco Business 220-48fp-4x Firmware<=1.2.0.6
Cisco Business 220-48fp-4x Firmware

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 CVE-2021-34757?

    CVE-2021-34757 is a vulnerability in Cisco Business 220 Series Smart Switches firmware that allows an attacker with Administrator privileges to access sensitive login credentials or reconfigure user account passwords.

  • How severe is CVE-2021-34757?

    CVE-2021-34757 has a severity rating of 5.5, which is considered medium.

  • Which software versions are affected by CVE-2021-34757?

    Cisco Business 220-8t-e-2g Firmware versions up to and including 1.2.0.6 are affected.

  • How can I fix CVE-2021-34757?

    To fix CVE-2021-34757, Cisco has released a security advisory with instructions. Please refer to the reference link provided for more information.

  • Where can I find more information about CVE-2021-34757?

    You can find more information about CVE-2021-34757 in the Cisco Security Advisory available at the reference link provided.

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.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203