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CVE-2020-13754hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
- 6.7MediumCVSS base score
- 0.42%Exploitation in 30 daysEPSS · top 63% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation.
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.42% · top 63% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.
Affected products
n/a
- affected n/a
References
References8
- https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg00004.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.openwall.com/lists/oss-security/2020/06/01/6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20200608-0007/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20200615 Re: CVE-2020-13754 QEMU: msix: OOB access during mmio operations may lead to DoS (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4728 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4467-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- GLSA-202011-09 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-5975 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://cveledger.app/cve/CVE-2020-13754)Record last updated .