CVE-2020-7566
Modicon M221 Small Space of Random Values Encryption Key Break
Description
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
INFO
Published Date :
Nov. 19, 2020, 10:15 p.m.
Last Modified :
Feb. 3, 2022, 4:14 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
2.1
Public PoC/Exploit Available at Github
CVE-2020-7566 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-7566.
| URL | Resource |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 | Third Party Advisory US Government Resource |
| https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ | 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).
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7566 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7566 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 -
Reanalysis by [email protected]
Feb. 03, 2022
Action Type Old Value New Value Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:se:modicon_m221_firmware:-:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Jan. 31, 2022
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* -
Modified Analysis by [email protected]
Sep. 21, 2021
Action Type Old Value New Value Changed Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 No Types Assigned https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory, US Government Resource -
CPE Deprecation Remap by [email protected]
Aug. 19, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 19, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m221_firmware:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 11, 2020
Action Type Old Value New Value Added Reference https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 [No Types Assigned] -
Initial Analysis by [email protected]
Dec. 01, 2020
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:A/AC:M/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ Vendor Advisory Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7566 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-2020-7566
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.06 }} 0.00%
score
0.22922
percentile