Description
Incorrect Implementation of Authentication Algorithm vulnerability in ABB ABB Ability OPTIMAX.This issue affects ABB Ability OPTIMAX: 6.1, 6.2, from 6.3.0 before 6.3.1-251120, from 6.4.0 before 6.4.1-251120.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| ABB | ABB Ability OPTIMAX | 6.1, 6.2, 6.3.0 – < 6.3.1-251120, 6.4.0 – < 6.4.1-251120 | 6.3.1-251120 |
Advisories 2
- ICSA-26-120-04 ABB Ability OPTIMAX CISA ICS & IT advisories · Apr 30, 2026
- 9AKK108472A1331 ABB Ability™ OPTIMAX® Authentication Bypass in Single-Sign On with Azure Active Directory ABB PSIRT · Jan 16, 2026