CVE-2019-20485
MEDIUMCVSS 5.7/10EPSS 0.81%
Last modified
CVE-2019-20485 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).. EPSS estimates a 0.81% chance of exploitation in the next 30 days.
Description
qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).
Metrics
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Libvirt | < 6.0.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 31 |
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953078Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1809740Issue Tracking, Vendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-20485Third Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=953078Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1809740Issue Tracking, Vendor Advisory
- https://security-tracker.debian.org/tracker/CVE-2019-20485Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20485?
qemu/qemu_driver.c in libvirt before 6.0.0 mishandles the holding of a monitor job during a query to a guest agent, which allows attackers to cause a denial of service (API blockage).
How severe is CVE-2019-20485?
CVE-2019-20485 has a CVSS score of 5.7/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20485?
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-2019-20485?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST