How severe is CVE-2023-5407?

CVE-2023-5407 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-5407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5407?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-5407 have an EU (EUVD) identifier?

Yes. CVE-2023-5407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57722.

When was CVE-2023-5407 published?

CVE-2023-5407 was published on 2024-04-17 and last updated on 2026-06-17.

CVE-2023-5407

CVE-2023-5407 is a medium-severity vulnerability with a CVSS 3.x base score of 5.9. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57722
Weakness: CWE-121
Published: 2024-04-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-5407?: 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.
How severe is CVE-2023-5407?: CVE-2023-5407 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-5407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-5407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-5407 have an EU (EUVD) identifier?: Yes. CVE-2023-5407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57722.
When was CVE-2023-5407 published?: CVE-2023-5407 was published on 2024-04-17 and last updated on 2026-06-17.

References

https://process.honeywell.com

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