Cross-site request forgery in IBM CICS TX on Cloud



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-26296
CWE-ID CWE-352
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 IBM CICS TX on Cloud
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cross-site request forgery

EUVDB-ID: #VU50852

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-26296

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: Yes

Description

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

The vulnerability exists due to insufficient CSRF protection mechanism. A remote attacker can guess the CSRF token, trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM CICS TX on Cloud: before 10.1.0.0 ifix6

CPE2.3 External links

https://www.ibm.com/support/pages/node/6470235


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. However, proof of concept for this vulnerability is available.



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