Zero-Day Alert: UNC5337 Exploits Ivanti VPN Vulnerability CVE-2025-0282 for Espionage Operations

Summary: Advanced threat actors are exploiting a newly disclosed zero-day vulnerability in Ivanti Connect Secure (ICS) VPN appliances, allowing for unauthenticated remote code execution. The vulnerabilities, CVE-2025-0282 and CVE-2025-0283, pose significant risks to network security, with active exploitation reported since mid-December 2024.

Threat Actor: UNC5337 | UNC5337
Victim: Ivanti Connect Secure Users | Ivanti Connect Secure Users

Key Point :

  • Exploitation of CVE-2025-0282 allows unauthenticated remote code execution, compromising entire networks.
  • Attackers utilize sophisticated methods, including reconnaissance and deployment of custom malware families like SPAWNSNAIL and PHASEJAM.
  • Immediate actions recommended include patching, running the Integrity Checker Tool, and performing factory resets on compromised appliances.

Source: https://securityonline.info/zero-day-alert-unc5337-exploits-ivanti-vpn-vulnerability-cve-2025-0282-for-espionage-operations/