Vulnerability identifier: #VU51727
Vulnerability risk: Medium
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-295
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Cisco Jabber for Windows
Client/Desktop applications /
Messaging software
Cisco Jabber for MacOS
Client/Desktop applications /
Messaging software
Cisco Jabber for Android and iOS
Client/Desktop applications /
Messaging software
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper validation of certificates. A remote attacker can use a specially crafted certificate and inspect or modify connections between the Cisco Jabber client and a server.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Cisco Jabber for Windows: 12.1 - 12.9
Cisco Jabber for MacOS: 12.7 - 12.9
Cisco Jabber for Android and iOS: 12.9
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cisco-jabber-PWrTATTC
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.