CVE-2023-50738: A new feature to prevent Firmware downgrades was recently added to some Lexmark products

Routine

MEDIUM 4.3

CVE-2023-50738 is a medium-severity flaw (CVSS 4.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-354, CWE-1328
Published	2025-01-17
Last modified	2026-06-17

Publisher (CNA): Lexmark International

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2025-01-17 21:15 UTCPublished CVE record published
2026-06-17 06:39 UTCUpdated Record last modified

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-50738?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2023-50738 being exploited?

CVE-2023-50738 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-50738 affect?

CVE-2023-50738 affects affected software. Severity is medium (CVSS 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.

How urgent is CVE-2023-50738?

Priority 20/100. No elevated risk signals yet.

References

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