What is CVE-2020-27661?

CVE-2020-27661 is a medium-severity vulnerability in Qemu, classified under Divide By Zero. CVSS score: 6.5/10. Published 2021-06-02.

How severe is CVE-2020-27661?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Qemu

CVE-2020-27661

A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Qemu
N/a — versions n/a

Weakness classification (CWE)

CWE-369 — Divide By Zero

References

cve@mitre.org (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27661?: CVE-2020-27661 is a medium-severity vulnerability in Qemu, classified under Divide By Zero. CVSS score: 6.5/10. Published 2021-06-02.
How severe is CVE-2020-27661?: Medium severity. CVSS v3 base score is 6.5 out of 10.