AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-7453

MEDIUM · CVSS 6 EPSS 0.34%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-04-29 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.0. See the original NVD description below for full technical details.

CVE
CVE-2020-7453
Severity
MEDIUM
CVSS
6
EPSS
0.34%

Original NVD Description

In FreeBSD 12.1-STABLE before r359021, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r359020, and 11.3-RELEASE before 11.3-RELEASE-p7, a missing null termination check in the jail_set configuration option "osrelease" may return more bytes with a subsequent jail_get system call allowing a malicious jail superuser with permission to create nested jails to read kernel memory.

Related CVEs

Other vulnerabilities affecting the same vendor(s)