CVE-2021-1569: Cisco Jabber

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for Mac, and Cisco Jabber for mobile platforms could allow an attacker to access sensitive information 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: from 12.9, before 12.9.6.55898 (fixed in 12.9.6.55898); from 14.0, before 14.0.1.55914 (fixed in 14.0.1.55914)

Published 2021-06-16. Last modified 2026-06-17.