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Siemens SIMATIC ET 200SP Communication Processors

🗓️ 14 Oct 2025 00:00:00Reported by Industrial Control Systems Cyber Emergency Response TeamType 
ics
 ics🔗 www.cisa.gov👁 1 Views

SIMATIC ET 200SP CPs have an unauthenticated access vulnerability; update to latest versions to protect configuration data.

Related
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2025-40771
14 Oct 202510:34
–circl
CNNVD		Siemens SIMATIC CP Series 访问控制错误漏洞
14 Oct 202500:00
–cnnvd
CVE		CVE-2025-40771
14 Oct 202509:15
–cve
Cvelist		CVE-2025-40771
14 Oct 202509:15
–cvelist
EUVD		EUVD-2025-34160
14 Oct 202509:15
–euvd
NCSC		Vulnerabilities fixed in Siemens products
14 Oct 202511:22
–ncsc
NVD		CVE-2025-40771
14 Oct 202510:15
–nvd
Positive Technologies		PT-2025-41883
14 Oct 202500:00
–ptsecurity
RedhatCVE		CVE-2025-40771
9 Jan 202608:45
–redhatcve
Tenable Nessus		Siemens SIMATIC ET 200SP Communication Processors Missing Authentication For Critical Function (CVE-2025-40771)
27 Oct 202500:00
–nessus
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SourceLink
cert-portalwww.cert-portal.siemens.com/productcert/csaf/ssa-486936.json
cert-portalwww.cert-portal.siemens.com/productcert/html/ssa-486936.html
rawwww.raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-289-07.json
cisawww.cisa.gov/news-events/ics-advisories/icsa-25-289-07
cisawww.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
cisawww.cisa.gov/resources-tools/resources/ics-recommended-practices
cisawww.cisa.gov/topics/industrial-control-systems
cisawww.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
cisawww.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
cisawww.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b
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14 Oct 2025 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 49.3
CVSS 3.19.8
EPSS0.00126
SSVC
unauthenticated accessconfiguration datasecurity updateindustrial securityproduct certremote attacker
1