CVE-2021-1418: Cisco Jabber

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms could allow an attacker to execute arbitrary programs on the underlying operating system with elevated privileges, access sensitive information, intercept protected network traffic, or cause a denial of service (DoS) condition. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

  • Cisco Jabber: before 12.1.5 (fixed in 12.1.5); before 12.8.7 (fixed in 12.8.7); up to and including 12.9.0; from 12.5.0, before 12.5.4 (fixed in 12.5.4); from 12.6.0, before 12.6.5 (fixed in 12.6.5); from 12.7.0, before 12.7.4 (fixed in 12.7.4); …

Published 2021-03-24. Last modified 2026-06-17.