CVE-2023-22357 Missing authorization in CP1L-EL20DR-D
Remote attackers can execute arbitrary commands and read/write memory on OMRON CP1L PLCs due to active debug code, leading to code execution or denial of service.
- 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-2023-22357?
CVE-2023-22357 is a critical missing authorization vulnerability in OMRON Corporation CP1L-EL20DR-D, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Active debug code exists in OMRON CP1L-EL20DR-D all versions, which may lead to a command that is not specified in FINS protocol being executed without authentication. A remote unauthenticated attacker may read/write in arbitrary area of the device memory, which may lead to overwriting the firmware, causing a denial-of-service (DoS) condition, and/or arbitrary code execution.
Weakness: CWE-489
Which versions are affected by CVE-2023-22357?
It affects 1 product.
Products include Omron Cp1l-El20dr-D Firmware.
How do I fix CVE-2023-22357?
No fix has been published for CVE-2023-22357 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-22357 being exploited?
There is no known exploitation of CVE-2023-22357 in the wild and no public exploit code.
Sources
Also known as GHSA-rjg6-q2fh-x6mj.