CVE-2020-8486
ABB System 800xA Inter process communication vulnerability - 800xA RNRP
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
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
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ABB System 800xA Inter process communication vulnerability - 800xA RNRP
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
- Record
CVE-2020-8486- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-264
- Updated
- 2026-11-02
EUVDEUVD-2020-29352
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
- Record
EUVD-2020-29352- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5gf9-wgvj-3pxx
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP ...
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
- Record
GHSA-5gf9-wgvj-3pxx- 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
- 2026-11-02
NVD
Insufficient protection of the inter-process communication functions in ABB System 800xA RNRP (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.
- Record
CVE-2020-8486- CVSS 3.1
- 6.6 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - 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-264
- 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-2020-8486 is a medium vulnerability (CVSS 6.6) in Abb 800xa Rnrp, published April 29, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.