Buffer overflow in Honeywell C300
CVE-2023-26597
Controller DoS due to buffer overflow in the handling of a specially crafted message received by the controller. See Honeywell Security Notification for recommendations on upgrading and versioning. See Honeywell Security Notification for recommendations on upgrading and versioning.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Honeywell C300 — versions 501.1, 510.1, 511.1
- Honeywell C300 Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- process.honeywell.com (Product)
Frequently asked questions
- What is CVE-2023-26597?
- CVE-2023-26597 is a high-severity vulnerability in Honeywell C300, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2023-07-13.
- How severe is CVE-2023-26597?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-26597 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.