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PatchSiren cyber security CVE debrief

CVE-2024-47255 2N CVE debrief

A local privilege escalation vulnerability in 2N Access Commander versions 3.1.1.2 and prior allows an authenticated attacker with high privileges to escalate to root and execute arbitrary code. The vulnerability requires local access and high attack complexity, limiting its exploitability but granting significant impact upon successful compromise. CISA published this advisory on November 14, 2024, with an update on February 11, 2025 adding new vulnerability details and affected products.

Vendor
2N
Product
Access Commander
CVSS
MEDIUM 4.7
CISA KEV
Not listed in stored evidence
Original CVE published
2024-11-14
Original CVE updated
2025-02-11
Advisory published
2024-11-14
Advisory updated
2025-02-11

Who should care

Organizations deploying 2N Access Commander for physical access control and building security systems, particularly in critical infrastructure environments. Security teams managing OT/ICS networks and system administrators responsible for Access Commander deployments.

Technical summary

The vulnerability exists in 2N Access Commander versions 3.1.1.2 and earlier. A local attacker with existing high privileges can escalate to root permissions, enabling arbitrary code execution with full system control. The attack requires local access and high complexity, with no user interaction needed. Confidentiality impact is high, integrity impact is low, and availability impact is none per CVSS 3.1 scoring.

Defensive priority

medium

Recommended defensive actions

  • Update 2N Access Commander to version 3.3 or later from the 2N download center
  • Review 2N's security advisory for additional hardening guidance
  • Apply principle of least privilege for local system access
  • Monitor for anomalous privilege escalation attempts on Access Commander systems
  • Segment Access Commander deployments from untrusted networks per CISA ICS recommended practices

Evidence notes

CISA ICS advisory ICSA-24-319-17 (Update A) documents this vulnerability with CVSS 3.1 vector AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:N. The advisory was initially published November 14, 2024 and modified February 11, 2025 to add new vulnerability information and update mitigations.

Official resources

2024-11-14