CVE-2020-5646: Null Pointer Dereference
First published: Fri Nov 06 2020(Updated: )
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.
Credit: vultures@jpcert.or.jp
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mitsubishielectric Coreos | <=05.65.00.bd | |
| Mitsubishielectric Gt1450-qlbde | ||
| Mitsubishielectric Gt1450-qmbde | ||
| Mitsubishielectric Gt1450hs-qmbde | ||
| Mitsubishielectric Gt1455-qtbde | ||
| Mitsubishielectric Gt1455hs-qtbde |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID is CVE-2020-5646.
What is the severity rating of CVE-2020-5646?
The severity rating of CVE-2020-5646 is high, with a severity value of 7.5.
Which software versions are affected by CVE-2020-5646?
The firmware versions GT1455-QTBDE CoreOS 05.65.00.BD and earlier, GT1450-QMBDE CoreOS 05.65.00.BD and earlier, GT1450-QLBDE CoreOS 05.65.00.BD and earlier, GT1455HS-QTBDE are affected.
How can I fix CVE-2020-5646?
To fix CVE-2020-5646, you should apply the necessary firmware updates provided by Mitsubishi Electric.
Where can I find more information about CVE-2020-5646?
You can find more information about CVE-2020-5646 on the official websites of JVN (Japan Vulnerability Notes), US-CERT (United States Computer Emergency Readiness Team), and Mitsubishi Electric.
- collector/nvd-index
- vendor/mitsubishielectric
- canonical/mitsubishielectric coreos
- version/mitsubishielectric coreos/05.65.00.bd
- canonical/mitsubishielectric gt1450-qlbde
- canonical/mitsubishielectric gt1450-qmbde
- canonical/mitsubishielectric gt1450hs-qmbde
- canonical/mitsubishielectric gt1455-qtbde
- canonical/mitsubishielectric gt1455hs-qtbde