CVE-2020-5646
Panasonic GOT TCP/IP NULL Pointer Dereference Remote Denial of Service Vulnerability
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.
INFO
Published Date :
Nov. 6, 2020, 3:15 a.m.
Last Modified :
Nov. 21, 2024, 5:34 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-5646
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-5646.
| URL | Resource |
|---|---|
| https://jvn.jp/vu/JVNVU99562395/index.html | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02 | Third Party Advisory US Government Resource |
| https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf | Vendor Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf | Vendor Advisory |
| https://jvn.jp/vu/JVNVU99562395/index.html | Third Party Advisory |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02 | Third Party Advisory US Government Resource |
| https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf | Vendor Advisory |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf | Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-5646 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-5646 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://jvn.jp/vu/JVNVU99562395/index.html Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02 Added Reference https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf Added Reference https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Nov. 20, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://jvn.jp/vu/JVNVU99562395/index.html No Types Assigned https://jvn.jp/vu/JVNVU99562395/index.html Third Party Advisory Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-310-02 Third Party Advisory, US Government Resource Changed Reference Type https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf No Types Assigned https://www.mitsubishielectric.co.jp/psirt/vulnerability/pdf/2020-014.pdf Vendor Advisory Changed Reference Type https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf No Types Assigned https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-014_en.pdf Vendor Advisory Added CWE NIST CWE-476 Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:coreos:*:*:*:*:*:*:*:* versions up to (including) 05.65.00.bd OR cpe:2.3:h:mitsubishielectric:gt1450-qlbde:-:*:*:*:*:*:*:* cpe:2.3:h:mitsubishielectric:gt1450-qmbde:-:*:*:*:*:*:*:* cpe:2.3:h:mitsubishielectric:gt1450hs-qmbde:-:*:*:*:*:*:*:* cpe:2.3:h:mitsubishielectric:gt1455-qtbde:-:*:*:*:*:*:*:* cpe:2.3:h:mitsubishielectric:gt1455hs-qtbde:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 10, 2020
Action Type Old Value New Value Changed 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. 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.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-5646 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-5646
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.78 }} 0.27%
score
0.81183
percentile