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  1. CVEs
  2. CVE-2020-7533
  1. CVEs

CVE-2020-7533

critical
  • Information
  • CPEs
  • Plugins

Description

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.

References

https://www.se.com/ww/en/download/document/SEVD-2020-287-01/

https://download.schneider-electric.com/files?p_File_Name=SEVD-2020-287-01_Modicon_Web_Server_Security_Notificatiton.pdf&p_Doc_Ref=SEVD-2020-287-01&p_enDocType=Security+and+Safety+Notice

Details

Source: Mitre, NVD

Published: 2020-12-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00574

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