CVE-2020-5675 Denial of service in GT21 model of GOT2000 series, GS21 model of GOT SIMPLE series, and Tension Controller LE7-40GU-L series
Remote attackers can cause denial of service in Mitsubishi Electric industrial devices by sending specially crafted packets, disrupting communication functions.
- 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-2020-5675?
CVE-2020-5675 is a high-severity denial of service vulnerability in Mitsubishi Electric Corporation GT21 model of GOT2000 series, GS21 model of GOT SIMPLE series, and Tension Controller LE7-40GU-L series, published on 4 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Out-of-bounds read vulnerability in GT21 model of GOT2000 series (GT2107-WTBD V01.39.000 and earlier, GT2107-WTSD V01.39.000 and earlier, GT2104-RTBD V01.39.000 and earlier, GT2104-PMBD V01.39.000 and earlier, and GT2103-PMBD V01.39.000 and earlier), GS21 model of GOT series (GS2110-WTBD V01.39.000 and earlier, GS2107-WTBD V01.39.000 and earlier, GS2110-WTBD-N V01.39.000 and earlier, and GS2107-WTBD-N V01.39.000 and earlier), and Tension Controller LE7-40GU-L series (LE7-40GU-L Screen package data for CC-Link IEF Basic V1.00, LE7-40GU-L Screen package data for MODBUS/TCP V1.00, and LE7-40GU-L Screen package data for SLMP V1.00) allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted packet. As a result, deterioration of communication performance or a denial-of-service (DoS) condition of the TCP communication functions of the products may occur.
Weakness: CWE-125
Which versions are affected by CVE-2020-5675?
It affects 10 products.
Products include Mitsubishielectric Gs2107-Wtbd-N Firmware, Mitsubishielectric Gs2107-Wtbd Firmware, Mitsubishielectric Gs2110-Wtbd-N Firmware, Mitsubishielectric Gs2110-Wtbd Firmware, Mitsubishielectric Gt2103-Pmbd Firmware, Mitsubishielectric Gt2104-Pmbd Firmware and 4 more.
How do I fix CVE-2020-5675?
No fix has been published for CVE-2020-5675 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-5675 being exploited?
There is no known exploitation of CVE-2020-5675 in the wild and no public exploit code.
Sources
Also known as GHSA-96mc-r65q-rp99.