CVE-2022-4991

Tychon is vulnerable to privilege escalation due to OPENSSLDIR location

HIGH

7.4

CVSS Score

Published: June 1, 2026 at 03:49 PM UTC

Updated: July 22, 2026 at 07:37 AM UTC

1 product affected across 1 vendorTychon

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Severity

HIGH7.4

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Tychon · Tychon

60%

v < 1.7.857.82

Affected range stops below 1.7.857.82, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord

https://www.kb.cert.org/vuls/id/730007

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: HIGH
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: NONE

Vector?

Quick Info

StatusAWAITING ANALYSIS

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