Cross-site scripting in Microsoft Exchange Server - CVE-2016-3379
Published: September 13, 2016 / Updated: March 3, 2017
Vulnerability identifier: #VU5419
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-3379
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Exchange Server
Microsoft Exchange Server
Detailed vulnerability description
Vulnerability allows a remote authenticated attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in Microsoft Exchange Server 2016 Cumulative Update 1 and 2. A remote authenticated attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2016-3379
Install update from vendor's website.