CVE-2021-22764

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Affected: n/a PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation)
Published at:
Updated at:

References

Link Tags
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2021-159-02.pdf
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

Frequently Asked Questions

What is the severity of CVE-2021-22764?
CVE-2021-22764 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22764?
To fix CVE-2021-22764, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22764 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22764 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22764?
CVE-2021-22764 affects n/a PowerLogic PM55xx, PowerLogic EGX100, and PowerLogic EGX300 (see security notification for version infromation).
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