CVE-2020-5646 Null dereference in GT14 Model of GOT 1000 series
Remote unauthenticated attackers can cause denial of service in Mitsubishi GOT 1000 series HMIs via crafted packets triggering a null pointer dereference.
- 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-2020-5646?
CVE-2020-5646 is a high-severity vulnerability in Mitsubishi Electric Corporation GT14 Model of GOT 1000 series, published on 6 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NULL pointer dereferences vulnerability in TCP/IP function included in the firmware of GT14 Model of GOT 1000 series (GT1455-QTBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QMBDE CoreOS version "05.65.00.BD" and earlier, GT1450-QLBDE CoreOS version "05.65.00.BD" and earlier, GT1455HS-QTBDE CoreOS version "05.65.00.BD" and earlier, and GT1450HS-QMBDE CoreOS version "05.65.00.BD" and earlier) allows a remote unauthenticated attacker to stop the network functions of the products via a specially crafted packet.
Weakness: CWE-476
Which versions are affected by CVE-2020-5646?
It affects 1 product.
Products include Mitsubishielectric Coreos.
How do I fix CVE-2020-5646?
No fix has been published for CVE-2020-5646 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5646 being exploited?
There is no known exploitation of CVE-2020-5646 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric Corporation GT14 Model of GOT 1000 series
- CVE-2020-5644 Memory corruption in GT14 Model of GOT 1000 series
- CVE-2020-5647 Missing authorization in GT14 Model of GOT 1000 series
- CVE-2020-5648 Command injection in GT14 Model of GOT 1000 series
- CVE-2020-5595 Memory corruption in GOT2000 series GT27, GT25, and GT23
- CVE-2020-5599 Command injection in GOT2000 series GT27, GT25, and GT23
Sources
Also known as GHSA-rhf6-xfw9-38h3.