CVE-2020-8477
ABB System 800xA Information Manager Remote Code Execution
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ABB System 800xA Information Manager Remote Code Execution
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.
- Record
CVE-2020-8477- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79, CWE-489
- Updated
- 2026-11-02
EUVDEUVD-2020-29343
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.
- Record
EUVD-2020-29343- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h92g-5h7r-qg2w No score
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1...
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.
- Record
GHSA-h92g-5h7r-qg2w- Updated
- 2026-11-02
NVD
The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.
- Record
CVE-2020-8477- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-79, CWE-489
- 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-2020-8477 is a high vulnerability (CVSS 8.8) in Abb 800xa Information Manager, published April 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.71%, the 77th percentile. No source names a fixed version.