CVE-2009-4011
HIGHCVSS 8.1/10EPSS 0.97%
Last modified
CVE-2009-4011 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, and then access a potentially reuse an already opened VPS console.. EPSS estimates a 0.97% chance of exploitation in the next 30 days.
Description
dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, and then access a potentially reuse an already opened VPS console.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dtc-Xen Project | Dtc-Xen | >= 0.5.0, < 0.5.4 |
References
- https://bugs.launchpad.net/ubuntu/+source/dtc-xen/+bug/505072Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2009-4011Third Party Advisory
- https://tracker.debian.org/media/packages/d/dtc-xen/changelog-0.5.17-1.1Product, Release Notes
- https://bugs.launchpad.net/ubuntu/+source/dtc-xen/+bug/505072Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2009-4011Third Party Advisory
- https://tracker.debian.org/media/packages/d/dtc-xen/changelog-0.5.17-1.1Product, Release Notes
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2009-4011?
dtc-xen 0.5.x before 0.5.4 suffers from a race condition where an attacker could potentially get a bash access as xenXX user on the dom0, and then access a potentially reuse an already opened VPS console.
How severe is CVE-2009-4011?
CVE-2009-4011 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.97% probability of exploitation in the next 30 days.
How do I fix CVE-2009-4011?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2009-4011?
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