Medium severity · published Apr 17, 2024
CVE-2023-5407
Controller denial of service due to improper handling of a specially crafted message received by the controller
5.9
CVSS
0.4%
EPSS
No
On KEV
Description
Controller denial of service due to improper handling of a specially crafted message received by the controller.
See Honeywell Security Notification for recommendations on upgrading and versioning.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
C3
C300 · Honeywell
520.2 through 520.2 TCU4; 510.1 through 510.2 HF13; 520.1 through 520.1 TCU4; 511.1 through 511.5 TCU4 HF3; 520.2 through 520.2 TCU4; 511.1 through 511.5 TCU4 HF3; +4 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5407
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5407
process.honeywell.com
https://process.honeywell.com
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