CVE-2023-3373 Information disclosure in GOT SIMPLE Series GS21 model
Remote attackers can hijack data sessions or cause denial of service by predicting FTP listening ports on Mitsubishi Electric HMI devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-3373?
CVE-2023-3373 is a medium-severity vulnerability in Mitsubishi Electric Corporation GOT SIMPLE Series GS21 model, published on 3 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions 01.49.000 and prior allows a remote unauthenticated attacker to hijack data connections (session hijacking) or prevent legitimate users from establishing data connections (to cause DoS condition) by guessing the listening port of the data connection on FTP server and connecting to it.
Which versions are affected by CVE-2023-3373?
It affects 2 products.
Products include Mitsubishielectric Gs21 Firmware, Mitsubishielectric Gt21 Firmware.
How do I fix CVE-2023-3373?
No fix has been published for CVE-2023-3373 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-3373 being exploited?
There is no known exploitation of CVE-2023-3373 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric Corporation GOT SIMPLE Series GS21 model
Sources
Also known as GHSA-5gwv-ww26-4rhf.