CVE-2023-24480
CVE-2023-24480 is a critical-severity vulnerability in Honeywell C300 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (44th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Honeywell C300 Firmware
- Published:
- Last modified:
Description
Controller DoS due to stack overflow when decoding a message from the server. See Honeywell Security Notification for recommendations on upgrading and versioning.
Frequently asked questions
- What is CVE-2023-24480?
- Controller DoS due to stack overflow when decoding a message from the server. See Honeywell Security Notification for recommendations on upgrading and versioning.
- How severe is CVE-2023-24480?
- CVE-2023-24480 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-24480 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-24480?
- CVE-2023-24480 affects Honeywell C300 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-24480?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-24480 published?
- CVE-2023-24480 was published on 2023-07-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:honeywell:c300_firmware:*:*:*:*:*:*:*:*
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