CVE-2020-8474
ABB System 800xA Weak Registry Permissions
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.8
ABB System 800xA Weak Registry Permissions
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
- Record
CVE-2020-8474- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-275
- Updated
- 2026-11-02
EUVDEUVD-2020-29340
7.8
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
- Record
EUVD-2020-29340- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wmcj-w5p4-34v2 No score
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify...
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
- Record
GHSA-wmcj-w5p4-34v2- Updated
- 2026-11-02
NVD
7.8
Weak Registry permissions in ABB System 800xA Base allow low privileged users to read and modify registry settings related to control system functionality, allowing an authenticated attacker to cause system functions to stop or malfunction.
- Record
CVE-2020-8474- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-275, CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-8474 is a high vulnerability (CVSS 7.8) in Abb System 800xa Base, published April 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.