CVE-2020-13791

Name: CVE-2020-13791
Creator: NVD / NIST
Published: 2020-06-04T16:15:12.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.40%

Last modified Jun 17, 2026

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

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.40%

31.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

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: Jun 4, 2020
Last Modified: Jun 17, 2026
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.

Are you affected by CVE-2020-13791?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST