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PatchSiren cyber security CVE debrief

CVE-2024-48839 ABB CVE debrief

A critical improper input validation vulnerability in ABB ASPECT building automation systems enables unauthenticated remote code execution. Affected versions ≤3.08.02 across ASPECT-Enterprise, NEXUS Series, and MATRIX Series product lines are vulnerable. CISA published advisory ICSA-25-007-01 on 2024-07-03, with subsequent updates through December 2024 tracking patch availability. ABB released version 3.08.03 to remediate this vulnerability. The CVSS 3.1 score of 10.0 reflects network attack vector, low complexity, no privileges required, and high impact to confidentiality, integrity, and availability. Organizations should prioritize patching to version 3.08.03 or later and implement network segmentation for affected building management systems.

Vendor
ABB
Product
ASPECT®-Enterprise
CVSS
CRITICAL 10
CISA KEV
Not listed in stored evidence
Original CVE published
2024-07-03
Original CVE updated
2024-12-05
Advisory published
2024-07-03
Advisory updated
2024-12-05

Who should care

Organizations operating ABB ASPECT building automation systems in commercial buildings, data centers, healthcare facilities, and industrial environments. Critical infrastructure operators with integrated building management systems. Security teams responsible for OT/ICS asset protection and network segmentation.

Technical summary

The vulnerability stems from improper input validation in ABB ASPECT building automation software, allowing remote attackers to execute arbitrary code without authentication. Affected deployments include ASPECT-Enterprise (ASP-ENT-x), NEXUS Series (NEX-2x, NEXUS-3-x), and MATRIX Series (MAT-x) running firmware version 3.08.02 and earlier. The attack surface is network-accessible with low complexity for exploitation. Successful exploitation grants complete system compromise with impacts to confidentiality, integrity, and availability of building management operations.

Defensive priority

critical

Recommended defensive actions

  • Upgrade ABB ASPECT systems to version 3.08.03 or later immediately
  • Segment building automation networks from enterprise IT and internet access
  • Monitor for anomalous network traffic to ASPECT management interfaces
  • Apply CISA ICS recommended practices for defense-in-depth
  • Review and restrict administrative access to ASPECT systems
  • Validate input sanitization on any custom integrations with ASPECT APIs

Evidence notes

Vulnerability disclosed via CISA ICS advisory ICSA-25-007-01. ABB confirmed affected product versions and released patched version 3.08.03 per advisory revision history. CVSS vector confirms unauthenticated network-accessible attack surface with critical impact.

Official resources

2024-07-03