CVE-2020-13791
CVE-2020-13791 is a medium-severity vulnerability in Qemu with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Qemu
- Published:
- Last modified:
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.
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 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2020-13791 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-13791?
- CVE-2020-13791 affects Qemu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-13791?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-13791 published?
- CVE-2020-13791 was published on 2020-06-04 and last updated on 2026-06-17.
References
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00706.html
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200717-0001/
- https://www.openwall.com/lists/oss-security/2020/06/04/1
Affected products (1)
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
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