XXE attack in Cisco WebEx Meetings Server - CVE-2018-18895
Published: November 12, 2018 / Updated: November 13, 2018
Vulnerability identifier: #VU15811
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18895
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to conduct XXE-attack.
The vulnerability exists in the '/WBXServixe/XMLService' path name and 'siteName' parameters due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into open an XML file that submits malicious input and obtain potentially sensitive information.
Affected software
Cisco WebEx Meetings Server
How to mitigate CVE-2018-18895
Update to version 2.8MR3, 3.0MR2 patch 1, or the upcoming 4.0.
Cisco WebEx Meetings Server - addressed in versions 2.8MR3, 3.0MR2 patch 1