High severity · published Apr 11, 2024
CVE-2023-5393
Server receiving a malformed message that causes a disconnect to a hostname may causing a stack overflow resulting in possible remote code execution
7.4
CVSS
0.7%
EPSS
No
On KEV
Description
Server receiving a malformed message that causes a disconnect to a hostname may causing a stack overflow resulting in possible remote code execution. Honeywell recommends updating to the most recent version of the product. 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:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Experion Server · Honeywell
520.2 through 520.2 TCU4; 511.1 through 511.5 TCU4 HF3; 520.1 through 520.1 TCU4; 520.2 through 520.2 TCU4; 520.1 through 520.1 TCU4; 520.2 TCU4 HFR2 through 511.5 TCU4 HF3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5393
process.honeywell.com
https://process.honeywell.com
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