CVE-2018-7791
Schneider Electric Modicon M221 Password Overwrite Information Disclosure
Description
A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.
INFO
Published Date :
Aug. 29, 2018, 9:29 p.m.
Last Modified :
Feb. 3, 2022, 2:31 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2018-7791.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/105182 | Third Party Advisory VDB Entry |
| https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/ | Mitigation 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-2018-7791 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-7791 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 Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Removed CWE NIST CWE-862 Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.2.0 OR cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.2.0 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:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 -
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:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 OR *cpe:2.3:o:se:modicon_m221_firmware:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 -
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:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 -
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:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 OR *cpe:2.3:o:se:modicon_m221_firmware:*:*:*:*:*:*:*:* versions from (excluding) 1.6.2.0 -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-264 CWE-264 CWE-862 CWE-287 -
Initial Analysis by [email protected]
Nov. 07, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type http://www.securityfocus.com/bid/105182 No Types Assigned http://www.securityfocus.com/bid/105182 Third Party Advisory, VDB Entry Changed Reference Type https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/ Mitigation, Vendor Advisory Added CWE CWE-264 Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 1.6.2.0 OR cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 31, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/105182 [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-2018-7791 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-2018-7791
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.26 }} -0.01%
score
0.64016
percentile