CVE-2021-22764
"PowerLogic Authentication Bypass"
Description
A CWE-287: Improper Authentication vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could cause loss of connectivity to the device via Modbus TCP protocol when an attacker sends a specially crafted HTTP request.
INFO
Published Date :
June 11, 2021, 4:15 p.m.
Last Modified :
Nov. 7, 2023, 3:30 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-22764
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-2021-22764.
| URL | Resource |
|---|---|
| http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02%2Chttp://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03 |
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-2021-22764 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-22764 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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Schneider Electric SE http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02%2Chttp://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03 [No types assigned] Removed Reference Schneider Electric SE http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02,http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03 -
Initial Analysis by [email protected]
Jun. 23, 2021
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:L Changed Reference Type http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02,http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03 No Types Assigned http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02,http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-03 Vendor Advisory Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:powerlogic_pm5560_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.8 OR cpe:2.3:h:schneider-electric:powerlogic_pm5560:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:powerlogic_pm5561_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 10.7.3 OR cpe:2.3:h:schneider-electric:powerlogic_pm5561:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:powerlogic_pm5562_firmware:*:*:*:*:*:*:*:* versions up to (including) 2.5.4 OR cpe:2.3:h:schneider-electric:powerlogic_pm5562:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:powerlogic_pm5563_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.7.8 OR cpe:2.3:h:schneider-electric:powerlogic_pm5563:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-22764 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-2021-22764
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} 0.06%
score
0.59962
percentile