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Security Bulletin: IBM DataPower Gateway vulnerable to HTTP header injection

Security Bulletin


IBM has addressed the CVE

Vulnerability Details

CVEID:   CVE-2021-38944
DESCRIPTION:   IBM DataPower Gateway is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 4.8
CVSS Temporal Score: See: for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Affected Product(s)Version(s)
IBM DataPower Gateway V10CD10.0.2.0-
IBM DataPower Gateway
IBM DataPower Gateway 2018.4.12018.4.1.0-2018.4.1.18


Affected ProductFixed in versionAPAR
IBM DataPower Gateway V10CD10.0.4.0IT39040
IBM DataPower Gateway
IBM DataPower Gateway 2018.4.12018.4.1.19IT39040

Workarounds and Mitigations


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Change History

17 May 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.


Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location


[{"Business Unit":{"code":"BU004","label":"Hybrid Cloud"},"Product":{"code":"SSHPHA","label":"IBM DataPower Gateway"},"Component":"","Platform":[{"code":"PF009","label":"Firmware"}],"Version":"All","Edition":"All"}]

Document Information

Modified date:
17 May 2022