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CVE-2024-6981 OMNTEC CVE debrief

CVE-2024-6981 is a critical authentication bypass vulnerability in OMNTEC Proteus Tank Monitoring systems, specifically affecting Generation 3.0 of the OEL8000III K/X ATG product line. The vulnerability, published by CISA on September 24, 2024, and subsequently updated on October 24, 2024, allows an unauthenticated attacker to perform administrative actions on affected devices. The CVSS 3.1 score of 9.8 reflects network exploitable, low-complexity attacks requiring no privileges or user interaction, with high impacts to confidentiality, integrity, and availability. This vulnerability is particularly significant for critical infrastructure environments where tank monitoring systems are deployed, as administrative access could enable attackers to manipulate tank level readings, alter system configurations, or disrupt fuel and chemical storage operations. The vendor has confirmed that Generations 3.5 and 4.0 are not affected, and the recommended remediation path involves upgrading affected Generation 3.0 systems.

Vendor
OMNTEC
Product
Proteus Tank Monitoring
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-09-24
Original CVE updated
2024-10-24
Advisory published
2024-09-24
Advisory updated
2024-10-24

Who should care

Organizations operating fuel storage facilities, chemical plants, wastewater treatment facilities, or other industrial environments using OMNTEC Proteus tank monitoring systems; critical infrastructure operators subject to NERC CIP or chemical facility security regulations; OT security teams responsible for tank gauging and leak detection systems; and managed service providers supporting industrial automation environments.

Technical summary

The OMNTEC Proteus OEL8000III K/X ATG Generation 3.0 contains an authentication bypass vulnerability that permits unauthenticated attackers to execute administrative functions. The flaw enables complete compromise of device confidentiality, integrity, and availability without requiring credentials or user interaction. Network-accessible instances are directly exploitable. The vendor has confirmed Generations 3.5 and 4.0 are not vulnerable, and remediation requires upgrading affected Generation 3.0 systems.

Defensive priority

critical

Recommended defensive actions

  • Identify all OMNTEC Proteus OEL8000III K/X ATG Generation 3.0 deployments in your environment and inventory their network exposure
  • Prioritize upgrading affected Generation 3.0 systems to Generation 3.5 or higher as the primary remediation path
  • Contact OMNTEC or an authorized service provider to initiate upgrade discussions for Generation 3.0 systems
  • Implement network segmentation to isolate tank monitoring systems from untrusted networks and internet exposure
  • Apply defense-in-depth controls including monitoring for anomalous administrative activity on affected systems until upgrades are completed
  • Review and restrict remote access pathways to tank monitoring infrastructure
  • Monitor CISA ICS advisories for additional guidance on this vulnerability

Evidence notes

CISA published initial advisory ICSA-24-268-06 on September 24, 2024, with Update A released October 24, 2024 adding vendor mitigations and affected product details. The vulnerability specifically affects OMNTEC Proteus OEL8000III K/X ATG Generation 3.0; Generations 3.5 and 4.0 are confirmed unaffected.

Official resources

2024-09-24