How severe is CVE-2023-5403?

CVE-2023-5403 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-5403 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5403?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-5403 have an EU (EUVD) identifier?

Yes. CVE-2023-5403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57718.

When was CVE-2023-5403 published?

CVE-2023-5403 was published on 2024-04-17 and last updated on 2026-06-17.

CVE-2023-5403

CVE-2023-5403 is a high-severity vulnerability with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-57718
Weakness: CWE-121
Published: 2024-04-17
Last modified: 2026-06-17

Description

Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a failure. See Honeywell Security Notification for recommendations on upgrading and versioning.

Frequently asked questions

What is CVE-2023-5403?: Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a failure. See Honeywell Security Notification for recommendations on upgrading and versioning.
How severe is CVE-2023-5403?: CVE-2023-5403 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-5403 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-5403?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-5403 have an EU (EUVD) identifier?: Yes. CVE-2023-5403 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-57718.
When was CVE-2023-5403 published?: CVE-2023-5403 was published on 2024-04-17 and last updated on 2026-06-17.

References

https://process.honeywell.com

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