Cross-site scripting in IBM DataPower Gateway
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
EPSS 0.00587 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | DataPower Gateway | 2018.4.1.0; 10.0.1.0; 10.0.2.0; 10.0.1.5; 10.0.3.0; 2018.4.1.18 | — | No fix listed | CNA |
- DataPower Gateway VendorIBM Affected 2018.4.1.0; 10.0.1.0; 10.0.2.0; 10.0.1.5; 10.0.3.0; 2018.4.1.18 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:*:*:*:* | 10.0.1.0 – 10.0.1.5; 10.0.2.0 – 10.0.3.0; 2018.4.1.0 – 2018.4.1.18 | Vulnerable | IBM |
- cpe:2.3:a:ibm:datapower_gateway:*:*:*:*:*:*:*:* Versions 10.0.1.0 – 10.0.1.5; 10.0.2.0 – 10.0.3.0; 2018.4.1.0 – 2018.4.1.18 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38944
- 2026-10-03 Alias added: GHSA-wcj9-hxh3-xw55
References
More IBM Datapower Gateway vulnerabilities
- TI-2026-69419 Out-of-bounds write in IBM DataPower Gateway RFC2047 parser CVSS 3.1CRITICAL 9.8
- TI-2026-69398 Out-of-bounds write in IBM DataPower Gateway allows code execution CVSS 3.1CRITICAL 9.8
- TI-2026-69396 Out-of-bounds write in IBM DataPower Gateway CVSS 3.1CRITICAL 9.8
- TI-2026-69386 Empty LDAP password accepted in IBM DataPower Gateway authentication CVSS 3.1CRITICAL 9.8
- TI-2026-69382 Heap buffer overflow in IBM DataPower Gateway enables code execution CVSS 3.1CRITICAL 9.8
- TI-2019-03385 IBM DataPower Gateway 7.6.0.0-7 throug 6.0.14 and 2018.4.1.0 through 2018.4.1.5 have a… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-38944 · CVE Program
- CVE-2021-38944 · NVD
- FIRST EPSS
- GHSA-wcj9-hxh3-xw55 · GitHub Advisory Database · CC BY 4.0
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