CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
Percentile
32.2%
Successful exploitation of this vulnerability could allow an unauthorized user to enumerate user accounts.
Johnson Controls Inc. reports this vulnerability affects the following Sensormatic Electronics C-CURE 9000 security management systems:
Sensormatic Electronics CโขCURE 9000, version 2.90 and prior, provides responses to incoming requests that could reveal internal state information to an unauthorized user.
CVE-2021-36201 has been assigned to this vulnerability. A CVSS v3 base score of 4.3 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
Kim Syversen and Mathias Kjรธlleberg Fรธrland reported this vulnerability to Johnson Controls, Inc.
Johnson Controls recommends that users update or upgrade to one of the two versions below:
For more detailed mitigation instructions, see Johnson Controls Product Security Advisory JCI-PSA-2022-12 v1
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01BโTargeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely. This vulnerability has a low attack complexity.
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-36201
cisa.gov/ics
cisa.gov/ics
cisasurvey.gov1.qualtrics.com/jfe/form/SV_9n4TtB8uttUPaM6?product=https://www.cisa.gov/news-events/ics-advisories/icsa-22-284-03
cwe.mitre.org/data/definitions/204.html
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
twitter.com/intent/tweet?text=Sensormatic%20Electronics%20C-CURE%209000+https://www.cisa.gov/news-events/ics-advisories/icsa-22-284-03
us-cert.cisa.gov/ics/Recommended-Practices
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
www.dhs.gov
www.dhs.gov/foia
www.dhs.gov/performance-financial-reports
www.facebook.com/CISA
www.facebook.com/sharer/sharer.php?u=https://www.cisa.gov/news-events/ics-advisories/icsa-22-284-03&title=Sensormatic%20Electronics%20C-CURE%209000
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
www.instagram.com/cisagov
www.johnsoncontrols.com/cyber-solutions/security-advisories
www.linkedin.com/company/cybersecurity-and-infrastructure-security-agency
www.linkedin.com/sharing/share-offsite/?url=https://www.cisa.gov/news-events/ics-advisories/icsa-22-284-03
www.oig.dhs.gov/
www.swhouse.com/Support/Default.aspx
www.swhouse.com/Support/Default.aspx
www.usa.gov/
www.whitehouse.gov/
www.youtube.com/@cisagov
mailto:?subject=Sensormatic%20Electronics%20C-CURE%209000&body=www.cisa.gov/news-events/ics-advisories/icsa-22-284-03