#VU15258 Privilege escalation in Microsoft Exchange Server - CVE-2018-8448
Published: October 9, 2018 / Updated: March 16, 2019
Vulnerability identifier: #VU15258
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8448
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft Exchange Server
Microsoft Exchange Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to gain elevated privileges on the target system.
The vulnerability exists due to improper handling of web requests within Microsoft Exchange Outlook Web Access (OWA). A remote unauthenticated attacker can send a specially crafted email message containing a malicious link, trick the victim into clicking it and gain elevated privileges to conduct further attacks.
Remediation
Install updates from vendor's website.