CVE-2021-35449
CVE-2021-35449 is a high-severity vulnerability in Lexmark G2 Driver with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 7.2
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-732
- Affected product: Lexmark G2 Driver
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-35449?
- 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.
- How severe is CVE-2021-35449?
- CVE-2021-35449 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-35449 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-35449?
- CVE-2021-35449 primarily affects Lexmark G2 Driver. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-35449?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-35449 published?
- CVE-2021-35449 was published on 2021-07-19 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/163811/Lexmark-Driver-Privilege-Escalation.html
- http://support.lexmark.com/alerts/
- https://raw.githubusercontent.com/jacob-baines/vuln_disclosure/main/vuln_2021_02.txt
Affected products (4)
- cpe:2.3:a:lexmark:g2_driver:*:*:*:*:*:*:*:*
- cpe:2.3:a:lexmark:g3_driver:*:*:*:*:*:*:*:*
- cpe:2.3:a:lexmark:g4_driver:*:*:*:*:*:*:*:*
- cpe:2.3:a:lexmark:universal_print_driver:*:*:*:*:*:*:*:*
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