CVE-2023-40239

7.5 HIGH 0.5% exploit odds Fix listed

What it is

Certain Lexmark devices (such as CS310) before 2023-08-25 allow XXE attacks, leading to information disclosure. The fixed firmware version is LW80.*.P246, i.e., '*' indicates that the full version specification varies across product model family, but firmware level P246 (or higher) is required to remediate the vulnerability.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-09-01 11:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 06:16 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-09-01 11:15 UTC
Last modified: 2026-06-17 06:16 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-611 · XML external entity
Record status: Modified

Affected

Lexmark c2132 Firmware ≤ lw80.vy4.p245
Lexmark cs310 Firmware ≤ lw80.vyl.p245
Lexmark cs317 Firmware ≤ lw80.vyl.p245
Lexmark cs410 Firmware ≤ lw80.vy2.p245
Lexmark cs417 Firmware ≤ lw80.vy2.p245
Lexmark cs510 Firmware ≤ lw80.vy4.p245
Lexmark cs517 Firmware ≤ lw80.vy4.p245
Lexmark cx310 Firmware ≤ lw80.gm2.p245

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record