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Vulnerability record · CVE-2021-38944 · published 18 May 2022

CVE-2021-38944: Ibm datapower gateway cross-site scripting vulnerability

Ibm · Datapower Gateway

IBM DataPower Gateway 10.0.2.0 through 1.0.3.0, 10.0.1.0 through 10.0.1.5, and 2018.4.1.0 through 2018.4.1.18 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. IBM X-Force ID: 211236.

6.1 CVSS 3.1 Medium EPSS 0.58% · top 54.4% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

IBM DataPower Gateway 10.0.2.0 through 1.0.3.0, 10.0.1.0 through 10.0.1.5, and 2018.4.1.0 through 2018.4.1.18 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. IBM X-Force ID: 211236.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://exchange.xforce.ibmcloud.com/vulnerabilities/211236 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6587070 PatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/211236 VDB EntryVendor Advisory
https://www.ibm.com/support/pages/node/6587070 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-38944), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.