What’s Vulnerable › Vulnerabilities

CVE-2020-8484: ABB System 800xA Inter process communication vulnerability - 800xA for DCI

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-29 · updated 2026-06-17
• Weakness: CWE-264

Description

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.

Affected products

• ABB 800xA for MOD300: all versions

References

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

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