VULNERABILITY INTELLIGENCE
CVE-2022-4991
CVSS score7.4 HIGH
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-06-01
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Description
Tychon includes an OpenSSL component that specifies an OPENSSLDIR variable as a subdirectory that may be controllable by an unprivileged user on Windows. Tychon contains a privileged service that uses this OpenSSL component. A user who can place a specially-crafted openssl.cnf file at an appropriate path may be able to achieve arbitrary code execution with SYSTEM privileges.