April 15, 2024 By Pierluigi Paganini
Threat actors have been exploiting the recently disclosed zero-day in Palo Alto Networks PAN-OS since March 26, 2024.
Palo Alto Networks and Unit 42 are investigating the activity related to CVE-2024-3400 PAN-OS flaw and discovered that threat actors have been exploiting it since March 26, 2024.
CVE-2024-3400 (CVSS score of 10.0) is a critical command injection vulnerability in Palo Alto Networks PAN-OS software. An unauthenticated attacker can exploit the flaw to execute arbitrary code with root privileges on affected firewalls. This flaw impacts PAN-OS 10.2, PAN-OS 11.0, and PAN-OS 11.1 firewalls configured with GlobalProtect gateway or GlobalProtect portal (or both) and device telemetry enabled.
The researchers are tracking this cluster of activity, conducted by an unknown threat actor, under the name Operation MidnightEclipse.
“Palo Alto Networks is aware of malicious exploitation of this issue. We are tracking the initial exploitation of this vulnerability under the name Operation MidnightEclipse, as we assess with high confidence that known exploitation we’ve analyzed thus far is limited to a single threat actor.” reads the report. “We also assess that additional threat actors may attempt exploitation in the future.”
