CVE-2019-5620
ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.
- Record
CVE-2019-5620- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-306
- Updated
- 2026-11-02
CVE List No score
ABB MicroSCADA Pro SYS600 Missing Authentication for Critical Function
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.
- Record
CVE-2019-5620- Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2019-15195 No score
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.
- Record
EUVD-2019-15195- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vf53-387h-6jj3
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication...
ABB MicroSCADA Pro SYS600 version 9.3 suffers from an instance of CWE-306: Missing Authentication for Critical Function.
- Record
GHSA-vf53-387h-6jj3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | ABB MicroSCADA wserver.exe Remote Code Execution | 2013-04-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-5620 is a critical vulnerability (CVSS 9.8) in Abb Microscada Pro Sys600, published April 29, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 70.9%, the 99th percentile. No source names a fixed version.