CVE-2023-5398

MEDIUMNVD 5.95.9—

5.9

Server receiving a malformed message based on a list of IPs resulting in heap corruption causing a denial of service. See Honeywell Security Notification for recommendations on upgrading and versioning.

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 14.5%
KEV: Not listed

Published

April 17, 2024

Last Modified

April 15, 2026

References (2)

psirt@honeywellhttps://process.honeywell.com
af854a3a-2127-422b-91ae-364da2661108https://process.honeywell.com

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1327

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 03:00 UTCEG score recompute
2026-05-22 03:00 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-5398?

CVE-2023-5398 is a medium vulnerability published on April 17, 2024. Server receiving a malformed message based on a list of IPs resulting in heap corruption causing a denial of service. See Honeywell Security Notification for recommendations on upgrading and versioning.

When was CVE-2023-5398 disclosed?

CVE-2023-5398 was first published in the National Vulnerability Database on April 17, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-5398 actively exploited?

CVE-2023-5398 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-5398?

CVE-2023-5398 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2023-5398?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5398, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-5398

📅 Published

🔄 Last Modified

🔗 References (2)