CVE-2024-21785 Auth bypass in P3-550E
Attackers can bypass authentication via leftover debug code in the Telnet interface to gain unauthorized access to the industrial controller.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-21785?
CVE-2024-21785 is a critical authentication bypass vulnerability in AutomationDirect P3-550E, published on 28 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-489
Which versions are affected by CVE-2024-21785?
It affects 6 products.
Products include Automationdirect P1-540 Firmware, Automationdirect P1-550 Firmware, Automationdirect P2-550 Firmware, Automationdirect P3-530 Firmware, Automationdirect P3-550 Firmware, Automationdirect P3-550e Firmware.
How do I fix CVE-2024-21785?
No fix has been published for CVE-2024-21785 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-21785 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-21785 exists.