CVE-2020-24718

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and...

8.2 High

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and OpenIndiana through Hipster 2020.04), does not properly restrict VMCS and VMCB read/write operations, as demonstrated by a root user in a container on an Intel system, who can gain privileges by modifying VMCS_HOST_RIP.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.60%Down 0.2 points since Apr 14, 2021

What each source reports

NVD Score used 8.2

Record: CVE-2020-24718
CVSS 3.1: 8.2 HighCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-862
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-24718
Updated: 2026-11-02

EUVDEUVD-2020-17429 No score

Record: EUVD-2020-17429
Updated: 2026-11-03

GitHub AdvisoriesGHSA-g73j-h828-gg82 No score

bhyve, as used in FreeBSD through 12.1 and illumos (e.g., OmniOS CE through r151034 and...

Record: GHSA-g73j-h828-gg82
Weakness: CWE-862, CWE-863
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-24718 is a high vulnerability (CVSS 8.2) in Freebsd, published September 25, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 49th percentile. No source names a fixed version.