CVE-2021-22699
Modicon M241/M251 Logic Controllers HTTP Denial of Service
Description
Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP.
INFO
Published Date :
May 26, 2021, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 5:50 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-22699 has a 1 public PoC/Exploit
available at Github.
Go to the Public Exploits
tab to see the list.
Affected Products
The following products are affected by CVE-2021-22699
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-2021-22699
.
URL | Resource |
---|---|
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 | Vendor Advisory |
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 | 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).
Automatic monitor github cve using Github Actions
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-22699
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22699
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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 -
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:se:modicon_m241_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* Changed CPE Configuration AND OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* -
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_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:se:modicon_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
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_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
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_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
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_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
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_m241:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* -
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_m251:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 26, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m251:-:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 26, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m241:-:*:*:*:*:*:*:* -
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_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:se:modicon_m241_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
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_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:* versions from (excluding) 5.1.9.1 -
Initial Analysis by [email protected]
Jun. 04, 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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 No Types Assigned https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 Vendor Advisory Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.1.9.1 OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22699
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-2021-22699
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.33420
percentile