Overview
Fujitsu Security Solution AuthConductor Client Basic V2 provided by Fujitsu Client Computing Limited contains an origin validation error vulnerability.
Products Affected
- Fujitsu Security Solution AuthConductor Client Basic V2 versions 2.0.25.0 and earlier
Description
Fujitsu Security Solution AuthConductor Client Basic V2 provided by Fujitsu Client Computing Limited contains the following vulnerability.
- Origin validation error (CWE-346)
- 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 Base Score 8.5
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Base Score 7.8
- CVE-2026-20893
Impact
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.
Solution
Update the software
Update the software to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Status | Last Update | Vendor Notes |
|---|---|---|---|
| Fujitsu Client Computing Limited | Vulnerable | 2026/01/07 | Fujitsu Client Computing Limited website |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Credit
MASAHIRO IIDA of LAC Co., Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert |
|
| JPCERT Reports |
|
| CERT Advisory |
|
| CPNI Advisory |
|
| TRnotes |
|
| CVE |
CVE-2026-20893 |
| JVN iPedia |
JVNDB-2026-000001 |