CVE-2020-26085 Cisco Jabber Desktop and Mobile Client Software Vulnerabilities

Critical 9.9 Published 6 Jan 2021 Updated 12 Nov 2024

Attackers can execute arbitrary programs with elevated privileges or access sensitive information via Cisco Jabber clients.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-26085?

CVE-2020-26085 is a critical command injection vulnerability in Cisco Jabber, published on 6 Jan 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-78, CWE-201

Which versions are affected by CVE-2020-26085?

It affects 1 product.

Products include Cisco Jabber.

How do I fix CVE-2020-26085?

No fix has been published for CVE-2020-26085 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2020-26085 being exploited?

There is no known exploitation of CVE-2020-26085 in the wild and no public exploit code.

Sources

Also known as GHSA-mjgx-fh7r-8mmh.