CVE-2020-13791
MEDIUMCVSS 5.5/10EPSS 0.40%
Last modified
CVE-2020-13791 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 5.0.1 |
References
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00706.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200717-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/04/1Mailing List, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00706.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200717-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/04/1Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-13791?
hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.
How severe is CVE-2020-13791?
CVE-2020-13791 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2020-13791?
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-2020-13791?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST