Authentication bypass in Cisco Unified Contact Center Express

1) Authentication bypass

EUVDB-ID: #VU7188

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6722

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote unauthenticated attacker to bypass authentication.

The weakness exists in the Extensible Messaging and Presence Protocol (XMPP) service of Cisco Unified Contact Center Express (UCCx) due to the XMPP service incorrectly processing an unsecured HTTP port for third-party, remote presence monitoring. A remote attacker can gain unauthorized access to the system.

Mitigation

Update to version 11.5(1.10000.61).

Vulnerable software versions

Cisco Unified Contact Center Express: 10.6.1

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170621-ucce

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.