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CVE-2019-5620

ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function

CRITICAL
9.8
CVSS Score
Published: April 29, 2020 at 10:15 PM UTC
Updated: June 17, 2026 at 02:37 AM UTC
2 products affected across 2 vendorsMicroSCADA Pro SYS600MicroSCADA Pro SYS600· also runs on 2 platforms

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Severity
CRITICAL9.8
Exploit prediction
EPSS 71%

Description

ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MicroSCADA Pro SYS600· Hitachi Energy
95%
9.3
microsoft-windows-7 (environment) · microsoft-windows-xp (environment)
MicroSCADA Pro SYS600· ABB
60%
9.3

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.rapid7.com/db/modules/exploit/windows/scada/abb_wserver_exec

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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