Vulnerability identifier: #VU84488

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-42027

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
IBM CICS TX Standard
Universal components / Libraries / Software for developers
IBM CICS TX Advanced
Universal components / Libraries / Software for developers
IBM TXSeries for Multiplatforms
Server applications / Other server solutions

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and execute malicious and unauthorized actions transmitted from a user that the website trusts.

Mitigation
Install update from vendor's website.

Vulnerable software versions

IBM CICS TX Standard: 11.1

IBM CICS TX Advanced: 10.1 - 11.1

IBM TXSeries for Multiplatforms: All versions

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External links
http://www.ibm.com/support/pages/node/7063664
http://www.ibm.com/support/pages/node/7063659
http://exchange.xforce.ibmcloud.com/vulnerabilities/266057

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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.