Vulnerability · Published Apr 17, 2024 · Assigned by Honeywell

CVE-2023-5407

Medium 5.9

In plain English

A medium-severity stack buffer overflow in C300 from Honeywell. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.4%top 61.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Honeywell C300 520.2 – through 520.2 TCU4510.1 – through 510.2 HF13520.1 – through 520.1 TCU4511.1 – through 511.5 TCU4 HF3
Honeywell C300 520.2 – through 520.2 TCU4511.1 – through 511.5 TCU4 HF3520.1 – through 520.1 TCU4
Honeywell C300 520.2 – through 520.2 TCU4520.1 – through 520.1 TCU4520.2 TCU4 HFR2 – through 511.5 TCU4 HF3

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References