Improper neutralization of special elements in output used by a downstream component in  IBM CICS TX Advanced



Published: 2023-09-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-39028
CWE-ID CWE-74
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM CICS TX Advanced
Universal components / Libraries / Software for developers

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper Neutralization of Special Elements in Output Used by a Downstream Component

EUVDB-ID: #VU81247

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-39028

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to perform various attacks.

The vulnerability exists due to improper validation of input by the HOST headers. A remote user can conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM CICS TX Advanced: before 11.1.0.0 ifix2

External links

http://www.ibm.com/support/pages/node/6595095


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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