CVE-2021-20592
"Siemens GOT2000 (GT27, GT25, GT23) RCE DoS"
Description
Missing synchronization vulnerability in GOT2000 series GT27 model communication driver versions 01.19.000 through 01.39.010, GT25 model communication driver versions 01.19.000 through 01.39.010 and GT23 model communication driver versions 01.19.000 through 01.39.010 and GT SoftGOT2000 versions 1.170C through 1.256S allows a remote unauthenticated attacker to cause DoS condition on the MODBUS/TCP slave communication function of the products by rapidly and repeatedly connecting and disconnecting to and from the MODBUS/TCP communication port on a target. Restart or reset is required to recover.
INFO
Published Date :
Aug. 5, 2021, 9:15 p.m.
Last Modified :
Nov. 7, 2023, 3:29 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-2021-20592
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-2021-20592.
| URL | Resource |
|---|---|
| https://jvn.jp/vu/JVNVU92414172/index.html | |
| https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf |
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-2021-20592 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20592 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Source Update by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Source JPCERT/CC Mitsubishi Electric Corporation -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Mitsubishi Electric Corporation https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf [No types assigned] Added Reference Mitsubishi Electric Corporation https://jvn.jp/vu/JVNVU92414172/index.html [No types assigned] Removed Reference JPCERT/CC https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf Removed Reference JPCERT/CC https://jvn.jp/vu/JVNVU92414172/index.html -
Reanalysis by [email protected]
Aug. 27, 2021
Action Type Old Value New Value Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt27_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt27:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:got2000_gt27_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:got2000_gt27:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt25_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt25:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:got2000_gt25_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:got2000_gt25:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt23_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt23:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:mitsubishielectric:got2000_gt23_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:got2000_gt23:-:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Aug. 16, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C) 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/JVNVU92414172/index.html No Types Assigned https://jvn.jp/vu/JVNVU92414172/index.html Third Party Advisory Changed Reference Type https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf No Types Assigned https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-007_en.pdf Vendor Advisory Added CWE NIST CWE-662 Added CPE Configuration OR *cpe:2.3:a:mitsubishielectric:gt_softgot2000:*:*:*:*:*:*:*:* versions from (including) 1.170c up to (including) 1.256s Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt27_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt27:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt25_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt25:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:mitsubishielectric:gt23_firmware:*:*:*:*:*:*:*:* versions from (including) 01.19.000 up to (including) 01.39.010 OR cpe:2.3:h:mitsubishielectric:gt23:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20592 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-2021-20592
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.24 }} 0.03%
score
0.64240
percentile