A leftover debug code vulnerability exists in the Telnet Diagnostic Interface functionality of AutomationDirect P3-550E 1.2.10.9. A specially crafted series of network requests can lead to unauthorized access. An attacker can send a sequence of requests to trigger this vulnerability.
CVE ID: CVE-2024-21785
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor: AutomationDirect
Product: P3-550E
EPSS Score: 0.05% (probability of being exploited)
EPSS Percentile: 20.09% (scored less or equal to compared to others)
EPSS Date: 2025-03-14 (when was this score calculated)