CVE-2020-7452
Last modified
CVE-2020-7452 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.
Description
In FreeBSD 12.1-STABLE before r357490, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r357489, and 11.3-RELEASE before 11.3-RELEASE-p7, incorrect use of a user-controlled pointer in the epair virtual network module allowed vnet jailed privileged users to panic the host system and potentially execute arbitrary code in the kernel.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 11.3 |
| Freebsd | Freebsd | 12.1 |
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.ascPatch, Vendor Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:07.epair.ascPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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