CVE-2020-5544 Null dereference in Mitsubishi Electric MELQIC IU1 series
Remote attackers can cause denial of service or execute malware on Mitsubishi Electric MELQIC devices via crafted packets exploiting 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-2020-5544?
CVE-2020-5544 is a critical vulnerability in Mitsubishi Electric MELQIC IU1 series, published on 16 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Null Pointer Dereference vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions or execute malware via a specially crafted packet.
Weakness: CWE-476
Which versions are affected by CVE-2020-5544?
It affects 1 product.
Products include Mitsubishielectric Iu1-1m20-D Firmware.
How do I fix CVE-2020-5544?
No fix has been published for CVE-2020-5544 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5544 being exploited?
There is no known exploitation of CVE-2020-5544 in the wild and no public exploit code.
Other vulnerabilities in Mitsubishi Electric MELQIC IU1 series
- CVE-2020-5542 Memory corruption in Mitsubishi Electric MELQIC IU1 series
- CVE-2020-5543 Other in Mitsubishi Electric MELQIC IU1 series
- CVE-2020-5545 Auth bypass in Mitsubishi Electric MELQIC IU1 series
- CVE-2020-5547 Denial of service in Mitsubishi Electric MELQIC IU1 series
- CVE-2020-5546 Command injection in Mitsubishi Electric MELQIC IU1 series
Sources
Also known as GHSA-rg84-vv52-p8m7.