CVE-2023-50738

A firmware downgrade prevention vulnerability has been identified in newer Lexmark devices.

MEDIUM

4.3

CVSS Score

Published: January 17, 2025 at 09:10 PM UTC

Updated: June 17, 2026 at 06:39 AM UTC

Products not identified yet

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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

Affected

We have no canonical product record for this CVE. The source names may not have matched any product.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html

References (1)

Vendor Advisory

Source: 7bc73191-a2b6-4c63-9918-753964601853

https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMLexmark

Attack Vector: ADJACENT_NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: LOW

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-354CWE-1328

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