EUVD-2026-64036
GHSA-64vf-r2xh-37w2
Severity by source
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local access and low privilege required; high complexity from AT:P prerequisite; scope change reflects SC:H impact on connected fire and building systems.
Primary rating from Vendor (jci).
CVSS VectorVendor: jci
Lifecycle Timeline
2DescriptionCVE.org
Cleartext Storage of Sensitive Information in Memory vulnerability in Johnson Controls Simplex Incident Manager / Autocall Fire Administrator may allow an attcker to Retrieve Embedded Sensitive Data.
This issue affects Simplex Incident Manager / Autocall Fire Administrator: before 2.01.05.
AnalysisAI
Cleartext credential exposure in Johnson Controls Simplex Incident Manager / Autocall Fire Administrator (all versions before 2.01.05) allows a local low-privilege attacker who meets specific preconditions to retrieve sensitive data stored unencrypted in application memory (CWE-316). The CVSS 4.0 vector's subsequent-system confidentiality impact (SC:H) is especially notable given this platform interfaces with fire alarm controllers and building safety networks, meaning extracted credentials could be leveraged against downstream safety-critical infrastructure. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local, authenticated access to the host system running Simplex Incident Manager / Autocall Fire Administrator with at least low-privilege credentials (AV:L, PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 6.9 represents a moderate-to-high rating, but real-world exploitability is materially constrained by several factors in the vector. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Simplex Incident Manager / Autocall Fire Administrator version 2.01.05 or later, which is the vendor-identified fix version per the Johnson Controls security advisory at https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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