CVE-2023-50738

MEDIUMNVD 4.34.3—

4.3

A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 5.9%
KEV: Not listed

Published

January 17, 2025

Last Modified

April 15, 2026

References (1)

7bc73191-a2b6-4c63-9918-753964601853https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 14× 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.

2026-05-29 13:43 UTCepss_batch
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2026-05-21 18:52 UTCEG score recompute
2026-05-21 18:52 UTCGHSA enrichment
2026-05-20 22:37 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-50738?

CVE-2023-50738 is a medium vulnerability published on January 17, 2025. A new feature to prevent Firmware downgrades was recently added to some Lexmark products. A method to override this downgrade protection has been identified.

When was CVE-2023-50738 disclosed?

CVE-2023-50738 was first published in the National Vulnerability Database on January 17, 2025, 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-2023-50738 actively exploited?

CVE-2023-50738 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-50738?

CVE-2023-50738 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2023-50738?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-50738, 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-2023-50738

📅 Published

🔄 Last Modified

🔗 References (1)