Input Sanitization Flaw in Lexmark Devices Enables Remote Code Execution
CVE-2021-44734

9.8CRITICAL

Key Information:

Vendor

Lexmark

Status
B2236 Firmware
Vendor
CVE Published:
20 January 2022

What is CVE-2021-44734?

An input sanitization vulnerability has been identified in the embedded web server of Lexmark devices, allowing attackers to potentially execute arbitrary code remotely. This flaw can be exploited through malformed input, compromising the security of affected devices. Users are advised to review security updates and implement appropriate measures to protect their systems.

References

https://support.lexmark.com/alerts/
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-22-332/
x_refsource_MISC

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2021-44734 : Input Sanitization Flaw in Lexmark Devices Enables Remote Code Execution