TI-2020-06809 Aliases CVE-2020-8484 GHSA-2x2x-f8f2-vqmf

ABB System 800xA Inter process communication vulnerability - 800xA for DCI

LOW 34CWE-264Published 2020-04-29 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-264.

Summary

Insufficient protection of the inter-process communication functions in ABB System 800xA for DCI (all published versions) enables an attacker authenticated on the local system to inject data, allowing reads and writes to the controllers or cause windows processes to crash.

Why it matters now

EPSS 0.0034 27th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ABB	800xA for DCI	all versions	—	No fix listed	CNA

800xA for DCI VendorABB Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:abb:800xa:::::::dci:*	all versions	Vulnerable	ABB

cpe:2.3:a:abb:800xa:*:*:*:*:*:*:dci:* Versions all versions Vulnerable ·ABB

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-8484
2026-10-03 Alias added: GHSA-2x2x-f8f2-vqmf

References

Advisory 1

https://search.abb.com/library/Download.aspx?DocumentID=2PAA121236&LanguageCode=en&DocumentPartId=&Action=Launch

TI-2021-05255 AC 800M MMS - Denial of Service vulnerability in MMS communication CVSS 3.1HIGH 7.5
TI-2020-06810 ABB System 800xA Inter process communication vulnerability - 800xA for Mod 300 CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences