Published: 20/01/2022 Updated: 17/03/2022

CVSS v2 Base Score: 10 | Impact Score: 10 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 890

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

This vulnerability allows remote malicious users to remove authentication on affected installations of Lexmark MC3224i printers. Authentication is not required to exploit this vulnerability. The specific flaw exists within URL handling. The issue results from the lack of proper restriction to a URL. An attacker can leverage this vulnerability to execute code in the context of root.

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lexmark mc3224i_firmware -

Exploit for CVE-2021-44736

CVE-2021-44736 PoC The initial admin account setup wizard on Lexmark devices allow unauthenticated access to the “out of service erase” feature Exploit based on the following research wwwcrowdstrikecom/blog/how-to-compromise-a-printer-in-3-simple-steps/ Using To run the exploit pass 2 arguments: rhost - IP-address of the interface for reverse-shell conn

CWE-287 https://support.lexmark.com/alerts/https://www.zerodayinitiative.com/advisories/ZDI-22-331/https://nvd.nist.gov https://github.com/defensor/CVE-2021-44736 https://www.zerodayinitiative.com/advisories/ZDI-22-331/

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CVE-2021-44736

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