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TI-2022-04578 Aliases CVE-2022-4991GHSA-5f9c-98g5-38r4

Tychon is vulnerable to privilege escalation due to OPENSSLDIR location

Priority MEDIUM 40Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00254 16th percentileScored 2026-11-07
Fix Fixed Tychon (Tychon): 1.7.857.82

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TychonTychonbefore 1.7.857.821.7.857.82Patch availableCNA
  • Tychon VendorTychon Affected before 1.7.857.82 Fixed in 1.7.857.82 Patch available CNA

Remediation

  • Fix · CNA Tychon (Tychon) Fixed in 1.7.857.82

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-4991
  2. 2026-10-03 Alias added: GHSA-5f9c-98g5-38r4

References

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences