CVE-2020-8485 | BDVDB-2026-135355 Detail

ABB800xA for MOD300

Description#

Insufficient protection of the inter-process communication functions in ABB System 800xA for MOD 300 (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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

CWE-264 Permissions, Privileges, and Access Controls

References#

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

Exploit#

No public exploit known

History#

Version 12020-04-29Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.

Published

Published: 2020-04-29
Last modified: 2024-08-04

Vendor information

Vendor: ABB
Product: 800xA for MOD300

All ABB vulnerabilities

Score

7.8 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 27.8.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
all versions
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).