CVE-2021-27661

Successful exploitation of this vulnerability could give an authenticated Facility Explorer SNC Series Supervisory Controller (F4-SNC) user an unintended level of access to the controllers file system, allowing them to access or modify system files by sending specifically crafted web messages to the F4-SNC.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
jciCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
Common Weakness Enumeration
References
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01
https://www.johnsoncontrols.com/cyber-solutions/security-advisories
https://us-cert.cisa.gov/ics/advisories/icsa-21-182-01
https://www.johnsoncontrols.com/cyber-solutions/security-advisories