CVE-2022-4991

HIGH

Tychon is vulnerable to privilege escalation due to OPENSSLDIR location

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.4
EPSS 0.0025
EPSS Percentile 16.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

Status published
Products (1)
Tychon/Tychon < 1.7.857.82
Published Jun 01, 2026
Tracked Since Jun 01, 2026