CVE-2020-7523
Schneider Electric Modbus Serial Driver Unprivileged Actor Privilege Escalation Vulnerability
Description
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) which could cause local privilege escalation when the Modbus Serial Driver service is invoked. The driver does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
INFO
Published Date :
Aug. 31, 2020, 5:15 p.m.
Last Modified :
June 4, 2021, 2:16 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
6.0
Exploitability Score :
1.1
Public PoC/Exploit Available at Github
CVE-2020-7523 has a 2 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-2020-7523
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-2020-7523.
| URL | Resource |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2020-224-01/ | 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).
2020年发布到阿尔法实验室微信公众号的所有安全资讯汇总
Collection of writeups on ICS/SCADA security.
ics ics-security scada scada-security awesome writeups infosec hacking hardware-hacking awesome-list
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7523 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7523 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 -
CPE Deprecation Remap by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:schneider_electric:modbus_serial_driver:*:*:*:*:*:*:x86:* versions from (excluding) 2.20_ie_30 OR *cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x86:* versions from (excluding) 2.20_ie_30 -
CPE Deprecation Remap by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:schneider_electric:modbus_serial_driver:*:*:*:*:*:*:x64:* versions from (excluding) 3.20_ie_30 OR *cpe:2.3:a:schneider-electric:modbus_serial_driver:*:*:*:*:*:*:x64:* versions from (excluding) 3.20_ie_30 -
CPE Deprecation Remap by [email protected]
Jun. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:schneider_electric:modbus_driver_suite:*:*:*:*:*:*:*:* versions from (excluding) 14.15.0.0 OR *cpe:2.3:a:schneider-electric:modbus_driver_suite:*:*:*:*:*:*:*:* versions from (excluding) 14.15.0.0 -
Initial Analysis by [email protected]
Sep. 04, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:M/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2020-224-01/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2020-224-01/ Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:schneider_electric:modbus_driver_suite:*:*:*:*:*:*:*:* versions up to (excluding) 14.15.0.0 *cpe:2.3:a:schneider_electric:modbus_serial_driver:*:*:*:*:*:*:x86:* versions up to (excluding) 2.20_ie_30 *cpe:2.3:a:schneider_electric:modbus_serial_driver:*:*:*:*:*:*:x64:* versions up to (excluding) 3.20_ie_30
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7523 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-2020-7523
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.11897
percentile