CVE-2023-1618 Authentication Bypass Vulnerability in MELSEC WS Series Ethernet Interface Module
Remote attackers can bypass authentication via hidden telnet to reset, tamper with, or rewrite firmware on Mitsubishi MELSEC WS modules.
- 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-2023-1618?
CVE-2023-1618 is a high-severity authentication bypass vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200, published on 19 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Active Debug Code vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 Serial number 2310 **** and prior allows a remote unauthenticated attacker to bypass authentication and illegally log into the affected module by connecting to it via telnet which is hidden function and is enabled by default when shipped from the factory. As a result, a remote attacker with unauthorized login can reset the module, and if certain conditions are met, he/she can disclose or tamper with the module's configuration or rewrite the firmware.
Which versions are affected by CVE-2023-1618?
It affects 1 product.
Products include Mitsubishielectric Melsec Ws0-Geth00200 Firmware.
How do I fix CVE-2023-1618?
No fix has been published for CVE-2023-1618 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-2023-1618 being exploited?
There is no known exploitation of CVE-2023-1618 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200
Sources
Also known as GHSA-37vx-v53j-77pr.