Remote code execution in IBM WebSphere Application Server



Published: 2020-08-20
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-4589
CWE-ID CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
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IBM WebSphere Application Server
Server applications / Application servers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Deserialization of untrusted data

EUVDB-ID: #VU45825

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4589

CWE-ID: CWE-502 - Deserialization of Untrusted Data

Exploit availability: No

Description

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

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

The vulnerability only occurs if an undocumented customization has been applied by an administrator.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

IBM WebSphere Application Server: 7.0 - 9.0.5.4


CPE2.3 External links

http://exchange.xforce.ibmcloud.com/vulnerabilities/184585
http://www.ibm.com/support/pages/node/6258333

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.



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