Vulnerability identifier: #VU13342

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6667

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
McAfee Web Gateway
Server applications / Remote management servers, RDP, SSH

Vendor: McAfee

Description

The vulnerability allows a remote attacker to bypass authentication and execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote unauthenticated attacker can send specially crafted data to the Java management extensions (JMX) service on the administrative user interface via TCP port 1099, bypass authentication and execute arbitrary code.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Update to version 7.8.1.6.

Vulnerable software versions

McAfee Web Gateway: 7.8.1.0 - 7.8.1.5

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External links
http://kc.mcafee.com/corporate/index?page=content&id=SB10241

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Q & A

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.