CVE-2023-4562 Information Disclosure, Information Tampering and Authentication Bypass Vulnerability in MELSEC-F Series main module
Remote unauthenticated attackers can bypass authentication to read or modify sequence programs in Mitsubishi MELSEC-F PLCs.
- 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-2023-4562?
CVE-2023-4562 is a critical authentication bypass vulnerability in Mitsubishi Electric Corporation MELSEC-F Series FX3G-14MR/DS, published on 13 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Authentication vulnerability in Mitsubishi Electric Corporation MELSEC-F Series main modules allows a remote unauthenticated attacker to obtain sequence programs from the product or write malicious sequence programs or improper data in the product without authentication by sending illegitimate messages.
Weakness: CWE-287
Which versions are affected by CVE-2023-4562?
It affects 190 products.
Products include Mitsubishielectric Fx3g-14 Mr\/Ds Firmware, Mitsubishielectric Fx3g-14 Mr\/Es Firmware, Mitsubishielectric Fx3g-14 Mt\/Ds Firmware, Mitsubishielectric Fx3g-14 Mt\/Dss Firmware, Mitsubishielectric Fx3g-14 Mt\/Es Firmware, Mitsubishielectric Fx3g-14 Mt\/Ess Firmware and 184 more.
How do I fix CVE-2023-4562?
No fix has been published for CVE-2023-4562 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-2023-4562 being exploited?
There is no known exploitation of CVE-2023-4562 in the wild and no public exploit code.
Sources
Also known as GHSA-3728-9cr9-4xwr.