What is CVE-2023-25770?

CVE-2023-25770 is a critical-severity vulnerability in Honeywell C300, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-07-13.

How severe is CVE-2023-25770?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-25770 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Honeywell C300

CVE-2023-25770

Controller DoS may occur due to buffer overflow when an error is generated in response to a specially crafted message. See Honeywell Security Notification for recommendations on upgrading and versioning.

Vulnerability class: Insecure Deserialization

EPSS: 0.001 (22.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Honeywell C300 — versions 501.1, 510.1, 511.1

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

process.honeywell.com

Frequently asked questions

What is CVE-2023-25770?: CVE-2023-25770 is a critical-severity vulnerability in Honeywell C300, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2023-07-13.
How severe is CVE-2023-25770?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-25770 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.