CVE-2020-27134: Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

Published Dec 11, 2020
·
Updated

Multiple vulnerabilities in Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system (OS) with elevated privileges or gain access to sensitive information. For more information about these vulnerabilities, see the Details section of this advisory.

Affected Software

12 affected components
Cisco Jabber Macos=12.9\(0\)
Cisco Jabber Windows=12.9\(0\)
Cisco Jabber Macos=12.9\(1\)
Cisco Jabber Windows=12.9\(1\)
Cisco Jabber Macos=12.9\(2\)
Cisco Jabber Windows=12.9\(2\)
Cisco Jabber Macos=12.9\(3\)
Cisco Jabber Windows=12.9\(3\)
Cisco Jabber for mobile platforms=12.9\(0\)
Cisco Jabber for mobile platforms=12.9\(1\)
Cisco Jabber for mobile platforms=12.9\(2\)
Cisco Jabber for mobile platforms=12.9\(3\)

Event History

Dec 11, 2020
CVE Published
via MITRE·04:40 PM
Data Sourced
via MITRE·04:40 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the vulnerability ID of this Cisco Jabber vulnerability?

The vulnerability ID is CVE-2020-27134.

2

What is the severity level of CVE-2020-27134?

The severity level of CVE-2020-27134 is critical.

3

What is affected by CVE-2020-27134?

Cisco Jabber for Windows, Jabber for MacOS, and Jabber for mobile platforms versions 12.9(0), 12.9(1), 12.9(2), and 12.9(3) are affected by CVE-2020-27134.

4

How can an attacker exploit CVE-2020-27134?

An attacker can exploit CVE-2020-27134 to execute arbitrary programs on the underlying operating system with elevated privileges or gain access to sensitive information.

5

Is there a fix available for CVE-2020-27134?

Yes, Cisco has released security updates to address the vulnerability. It is recommended to update to the latest version of Cisco Jabber to mitigate the risk.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203