Summary
Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service by sending invalid credentials.
Vulnerabilities 1
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High 7.5
Uncontrolled Resource Consumption in Metasys and Facility Explorer
Under certain circumstances, invalid authentication credentials could be sent to the login endpoint of Johnson Controls Metasys NAE55, SNE, and SNC engines prior to versions 11.0.6 and 12.0.4 and Facility Explorer F4-SNC engines prior to versions 11.0.6 and 1…
Revision history
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#2
Update A - Update to the mitigations and affected products
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#1
Initial Publication
References
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ICSA Advisory ICSA-23-341-03 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-23-341-03
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B