Lexmark MX711 Firmware vulnerabilities

4 CVEs affecting Lexmark MX711 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2023-40239, published 2023-09-01.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-44734, published 2022-01-20. Critical severity, CVSS 9.8. EPSS: 6.2% chance of exploitation in the next 30 days. Embedded web server input sanitization vulnerability in Lexmark devices through 2021-12-07, which can which can lead to remote code execution on the device.
• CVE-2021-44738, published 2022-01-20. Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days. Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.
• CVE-2021-44737, published 2022-01-20. High severity, CVSS 8.8. EPSS: 1.4% chance of exploitation in the next 30 days. PJL directory traversal vulnerability in Lexmark devices through 2021-12-07 that can be leveraged to overwrite internal configuration files.
• CVE-2023-40239, published 2023-09-01. High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days. 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…