B2236 Firmware
CVE-2022-29850
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots.
AnalysisAI
Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-20. Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots. Affected products include: Lexmark B2236 Firmware, Lexmark Mb2236 Firmware, Lexmark Ms331 Firmware, Lexmark Ms431 Firmware, Lexmark M1342 Firmware. Version information: through 2022.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
More in B2236 Firmware
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Lexmark products through 2023-01-10 have Improper Control of Interaction Frequency. Rated high severity (CVSS 7.5), this
Same weakness CWE-20 – Improper Input Validation
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
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