PT-2026-1555 · Fujitsu · Authconductor Client Basic V2

L07 · Published 2026-01-07 · Updated 2026-01-07 · CVE-2026-20893

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Fujitsu Security Solution AuthConductor Client Basic V2 versions 2.0.25.0 and earlier

Description An origin validation error exists in the software. Successful exploitation could allow an attacker who has access to the Windows system where the product is installed to execute arbitrary code with SYSTEM privileges and/or modify registry values.

Recommendations Update to a version later than 2.0.25.0.

Fix

LPE

RCE

Origin Validation Error

Weakness Enumeration

CWE-346

Related Identifiers

CVE-2026-20893

Affected Products

Authconductor Client Basic V2

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-20893 · Security Note
• https://jvn.jp/en/jp/JVN24626628 · Note
• https://t.me/CVEtracker/41562 · Telegram Post
• https://fmworld.net/biz/common/info/202601acc · Note
• https://twitter.com/CVEnew/status/2008771284721954950 · Twitter Post