Home/CVE/CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver witho
CVE

CVE-2020-7533

CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver witho

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

CRITICAL · CVSS 9.8 EPSS 0.00233
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
▤

Affected Products & Versions

16
schneider-electric modicon m340 bmxp3420302 firmware< 3.20
schneider-electric modicon m340 bmxp342000 firmware< 3.20
schneider-electric modicon m340 bmxp341000 firmware< 3.20
schneider-electric modicon m340 bmxp3420102 firmware< 3.20
schneider-electric bmxnoe0100 firmware< 3.3
schneider-electric bmxnoe0110 firmware< 6.5
schneider-electric bmxnoc0401 firmware< 2.10
schneider-electric tsxp574634 firmware< 6.1
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cybersecurity@se.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD01 Dec 2020 · 03:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
https://www.se.com/ww/en/download/document/SEVD-2020-287-01/Vendor Advisory
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