Vulnerability identifier: #VU16531

Vulnerability risk: High

CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1904

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM WebSphere Application Server
Server applications / Application servers

Vendor: IBM Corporation

Description

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

The vulnerability exists due to unspecified flaw. A remote unauthenticated attacker can execute arbitrary Java code through an administrative client class with a serialized object from untrusted sources.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 7.0.0.0 - 7.0.0.45, 8.0.0.0 - 8.0.0.15, 8.5.5.0 - 8.5.5.14, 9.0 - 9.0.0.9

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External links
http://www-01.ibm.com/support/docview.wss?uid=ibm10738735

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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.