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CVE-2020-8487

ABB System 800xA Inter process communication vulnerability - System 800xA Base

No known exploitation. EPSS puts it in the 26th percentile. A vendor fix is available.

CVSS 3.16.6MediumEPSS percentile26th0.3% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFixVendor fixNo build named by the sources

Published Updated Sources: CVE.org, NVD, CSAF

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

  • ABB System 800xA BaseAffected: all versionsUpgrade to: not statedStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

Insufficient protection of the inter-process communication functions in ABB System 800xA Base (all published versions) enables an attacker authenticated on the local system to inject data, affect node redundancy handling.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS26th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.3% chance of exploitation activity in the next 30 days, which ranks it in the 26th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

4 events over 1667 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified

Affected products

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 6.6 by NVD.

How it is reached

  • Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required LowRequires basic user-level privileges
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

Sources

References in the record

And 12 more references. See all after sign-in

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We'll flag the next CVE, public exploit or patch for 800xa Base System, not every advisory.