UNC5820

Also known as: UNC5820

UNC5820 is a threat actor exploiting the CVE-2024-47575 vulnerability in Fortinet’s FortiManager, allowing them to bypass authentication and execute arbitrary commands. They have been observed exfiltrating configuration data, user information, and FortiOS256-hashed passwords from managed FortiGate devices. While the actor has staged and exfiltrated sensitive data, there is currently no evidence of lateral movement or further compromise of additional environments. Mandiant has not determined whether UNC5820 is state-sponsored or identified its geographic location.

Introduction

UNC5820 is a threat actor exploiting the CVE-2024-47575 vulnerability in Fortinet’s FortiManager, allowing them to bypass authentication and execute arbitrary commands. They have been observed exfiltrating configuration data, user information, and FortiOS256-hashed passwords from managed FortiGate devices. While the actor has staged and exfiltrated sensitive data, there is currently no evidence of lateral movement or further compromise of additional environments. Mandiant has not determined whether UNC5820 is state-sponsored or identified its geographic location.

Activities and Tactics

Information pending cataloguing.

Notable Campaigns

Information pending cataloguing.

Tactics, Techniques, and Procedures (TTPs)

Information pending cataloguing.

Notable Indicators of Compromise (IOCs)

No curated IOCs are currently published for this actor. This section will be updated when stable, attributable indicators are available.

Malware and Tools

  • Xploit
  • GraphicBooting

Attribution and Evidence

Information pending cataloguing.

References

References pending cataloguing.