Origin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability is exploited, an attacker who can log in to the Windows system where the affected product is installed may execute arbitrary code with SYSTEM privilege and/or modify the registry value.
History

Wed, 07 Jan 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 07 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Fujitsu
Fujitsu security Solution Authconductor Client Basic V2
Microsoft
Microsoft windows
Vendors & Products Fujitsu
Fujitsu security Solution Authconductor Client Basic V2
Microsoft
Microsoft windows

Wed, 07 Jan 2026 04:00:00 +0000

Type Values Removed Values Added
Description Origin validation error issue exists in Fujitsu Security Solution AuthConductor Client Basic V2 2.0.25.0 and earlier. If this vulnerability is exploited, an attacker who can log in to the Windows system where the affected product is installed may execute arbitrary code with SYSTEM privilege and/or modify the registry value.
Weaknesses CWE-346
References
Metrics cvssV3_0

{'score': 7.8, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: jpcert

Published:

Updated: 2026-01-07T14:38:27.948Z

Reserved: 2025-12-22T02:14:24.139Z

Link: CVE-2026-20893

cve-icon Vulnrichment

Updated: 2026-01-07T14:38:21.939Z

cve-icon NVD

Status : Received

Published: 2026-01-07T12:17:08.023

Modified: 2026-01-07T12:17:08.023

Link: CVE-2026-20893

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-07T10:08:04Z