CVE-2023-6374 Auth bypass in MELSEC WS Series WS0-GETH00200
Remote attackers can bypass authentication via replay attacks to access and modify PLC programs and parameters in 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-2023-6374?
CVE-2023-6374 is a medium-severity authentication bypass vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200, published on 30 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers allows a remote unauthenticated attacker to bypass authentication by capture-replay attack and illegally login to the affected module. As a result, the remote attacker who has logged in illegally may be able to disclose or tamper with the programs and parameters in the modules.
Weakness: CWE-294
Which versions are affected by CVE-2023-6374?
It affects 1 product.
Products include Mitsubishielectric Melsec Ws0-Geth00200 Firmware.
How do I fix CVE-2023-6374?
No fix has been published for CVE-2023-6374 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-2023-6374 being exploited?
There is no known exploitation of CVE-2023-6374 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200
Sources
Also known as GHSA-v334-55hv-wvc6.