CVE-2021-35449

Name: CVE-2021-35449
Creator: NVD / NIST
Published: 2021-07-19T15:15:07.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.41%

Last modified Jun 17, 2026

CVE-2021-35449 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The Lexmark Universal Print Driver version 2.15.1.0 and below, G2 driver 2.7.1.0 and below, G3 driver 3.2.0.0 and below, and G4 driver 4.2.1.0 and below are affected by a privilege escalation vulnerability. A standard low priviliged user can use the driver to execute a DLL of their choosing during the add printer process, resulting in escalation of privileges to SYSTEM.. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

Description

The Lexmark Universal Print Driver version 2.15.1.0 and below, G2 driver 2.7.1.0 and below, G3 driver 3.2.0.0 and below, and G4 driver 4.2.1.0 and below are affected by a privilege escalation vulnerability. A standard low priviliged user can use the driver to execute a DLL of their choosing during the add printer process, resulting in escalation of privileges to SYSTEM.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Lexmark	G2 Driver	<= 2.7.1.0
Lexmark	G3 Driver	<= 3.2.0.0
Lexmark	G4 Driver	<= 4.2.1.0
Lexmark	Universal Print Driver	<= 2.15.1.0

References

http://packetstormsecurity.com/files/163811/Lexmark-Driver-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://support.lexmark.com/alerts/Vendor Advisory
https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_02.txtThird Party Advisory
http://packetstormsecurity.com/files/163811/Lexmark-Driver-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
http://support.lexmark.com/alerts/Vendor Advisory
https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_02.txtThird Party Advisory

Timeline

Published: Jul 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35449?

How severe is CVE-2021-35449?

CVE-2021-35449 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35449?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35449?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST