CVE-2019-12645: Cisco Jabber Client Framework for Mac Code Execution Vulnerability

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-09-05 · updated 2026-06-17
Weakness: CWE-20

Description

A vulnerability in Cisco Jabber Client Framework (JCF) for Mac Software, installed as part of the Cisco Jabber for Mac client, could allow an authenticated, local attacker to execute arbitrary code on an affected device The vulnerability is due to improper file level permissions on an affected device when it is running Cisco JCF for Mac Software. An attacker could exploit this vulnerability by authenticating to the affected device and executing arbitrary code or potentially modifying certain configuration files. A successful exploit could allow the attacker to execute arbitrary code or modify certain configuration files on the device using the privileges of the installed Cisco JCF for Mac Software.

Affected products

Cisco Jabber: before 12.6\(1\) — fixed in 12.6\(1\)

How to fix

Upgrade to a fixed version: Cisco Jabber 12.6\(1\). Check the vendor advisory for mitigations.

References

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