CVE-2021-22788
Modicon HTTP Request Denial of Service
Description
A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)
INFO
Published Date :
Feb. 11, 2022, 6:15 p.m.
Last Modified :
April 10, 2024, 12:28 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-22788
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-2021-22788.
| URL | Resource |
|---|---|
| https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02 | Patch 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-2021-22788 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22788 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 -
Initial Analysis by [email protected]
Feb. 23, 2022
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://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02 No Types Assigned https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02 Patch, Vendor Advisory Added CWE NIST CWE-787 Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxp342020_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.40 OR cpe:2.3:h:schneider-electric:bmxp342020:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:bmxnoe0100:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:bmxnoe0110:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnoc0401_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:bmxnoc0401:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:bmxnor0200h_rtu_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:bmxnor0200h_rtu:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp574634_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:tsxp574634:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp575634_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:tsxp575634:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxp576634_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:tsxp576634:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140cpu65150_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:140cpu65150:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noe771x1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:140noe771x1:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noc78x00_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:140noc78x00:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:140noc77101_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:140noc77101:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxety4103_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:tsxety4103:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:tsxety5103_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:tsxety5103:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22788 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-2021-22788
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.16 }} 0.05%
score
0.53081
percentile