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Under Active Attack

Executive Summary

A joint analysis by Tenable and SentinelOne of 93 CVE-actor attribution pairs revealed that state-sponsored threat actors and cybercriminals independently converge on the same edge infrastructure vulnerabilities across major vendors including F5, Fortinet, Citrix, and Ivanti. The research found that 54% of F5 customer environments have at least one exposed, actively-exploited CVE, while twelve vulnerabilities showed confirmed multi-nexus attribution spanning China, Russia, DPRK, Iran, and ransomware groups. High-priority CVEs paradoxically take 24 days longer to remediate than standard vulnerabilities, creating extended windows of opportunity for attackers targeting VPN gateways, firewalls, and remote access appliances.

This convergence highlights the urgent need for organizations to rethink their approach to edge device security as nation-state actors increasingly share attack surfaces with cybercriminals, making traditional threat-model assumptions obsolete in an era of blended adversary tactics.

Why This Matters Now

Edge infrastructure has become a shared battleground where state-sponsored actors and ransomware operators exploit identical vulnerabilities, requiring organizations to defend against all threat categories simultaneously rather than focusing on single adversary types.

Attack Path Analysis

Related CVEs

MITRE ATT&CK® Techniques

Potential Compliance Exposure

Sector Implications

Sources

Frequently Asked Questions

Edge devices like VPN gateways and firewalls provide privileged network access and are often the hardest to patch due to operational complexity, making them attractive targets for all threat actor types.

Cloud Native Security Fabric Mitigations and ControlsCNSF

Based on the attack progression modeled above, these are the defensive controls that would constrain each stage.

Aviatrix Zero Trust CNSF would have significantly constrained this multi-nexus attack by limiting lateral movement scope and reducing blast radius across compromised edge infrastructure environments.

Initial Compromise

Control: Cloud Native Security Fabric (CNSF)

Mitigation: Cloud native security fabric may have reduced the attack surface by providing unified visibility and policy enforcement across edge infrastructure, though initial exploitation could still occur through vulnerable appliances.

Privilege Escalation

Control: Zero Trust Segmentation

Mitigation: Zero trust segmentation would likely have constrained privilege escalation by limiting the scope of administrative access and reducing credential exposure through identity-aware access controls and workload isolation boundaries.

Lateral Movement

Control: East-West Traffic Security

Mitigation: East-west traffic security would likely have significantly constrained lateral movement by enforcing microsegmentation policies and reducing the attacker's ability to traverse network segments using stolen credentials.

Command & Control

Control: Multicloud Visibility & Control

Mitigation: Multicloud visibility and control may have detected unauthorized device registrations and constrained persistent access through enhanced monitoring and policy enforcement across management platforms and VPN infrastructure.

Exfiltration

Control: Egress Security & Policy Enforcement

Mitigation: Egress security and policy enforcement would likely have constrained data exfiltration by limiting outbound data flows and reducing the scope of configuration archive transfers through controlled egress policies.

Impact (Mitigations)

While domain compromise may still occur, the overall impact would likely be reduced through constrained network reach and limited blast radius across segmented customer environments and critical business systems.

Impact at a Glance

Affected Business Functions

  • Network Security Infrastructure
  • Remote Access Management
  • VPN Services
  • Perimeter Defense
Operational Disruption

Estimated downtime: 18 days

Financial Impact

Estimated loss: $2,500,000

Data Exposure

Network configuration data, stored credentials, LDAP bind credentials, SSH keys, device management configurations, and potential access to internal network resources through compromised edge infrastructure

Recommended Actions

  • • Implement Zero Trust Segmentation with identity-based policies to prevent lateral movement from compromised edge devices using microsegmentation and least privilege access controls
  • • Deploy Egress Security & Policy Enforcement to detect and block unauthorized data exfiltration attempts from compromised infrastructure through FQDN filtering and data loss prevention
  • • Enable Multicloud Visibility & Control with centralized policy management to detect anomalous interactions and suspicious automation across edge infrastructure
  • • Establish East-West Traffic Security monitoring to identify and block workload-to-workload communications initiated from compromised edge devices
  • • Implement Threat Detection & Anomaly Response capabilities to baseline normal behavior and alert on covert tools, remote access software, and credential theft activities

Secure the Paths Between Cloud Workloads

A cloud-native security fabric that enforces Zero Trust across workload communication—reducing attack paths, compliance risk, and operational complexity.

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