CVE-2020-28214
Modicon M221 One-Way Hash Predictable Salt Overwrite Vulnerability
Description
A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.
INFO
Published Date :
Dec. 11, 2020, 1:15 a.m.
Last Modified :
Feb. 3, 2022, 4:10 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-28214 has a 2 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-2020-28214.
| 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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Python
Collection of writeups on ICS/SCADA security.
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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-2020-28214 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28214 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 Reference Type https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory, US Government Resource 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:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se: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: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:-:*:*:*:*:*:*:* -
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:*:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 15, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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 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:-:*:*:*:*:*:*:* -
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]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28214 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-2020-28214
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14108
percentile