What is CVE-2022-29850?

CVE-2022-29850 is a high-severity vulnerability in Lexmark B2236, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2022-08-26.

How severe is CVE-2022-29850?

High severity. CVSS v3 base score is 8.1 out of 10.

Improper input validation in Lexmark B2236

CVE-2022-29850

Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.008 (53.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lexmark B2236
Lexmark B2236_firmware
Lexmark B2338
Lexmark B2338_firmware
Lexmark B2442
Lexmark B2442_firmware
Lexmark B2546
Lexmark B2546_firmware
Lexmark B2650
Lexmark B2650_firmware

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-668 — Exposure of Resource to Wrong Sphere

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-29850?: CVE-2022-29850 is a high-severity vulnerability in Lexmark B2236, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2022-08-26.
How severe is CVE-2022-29850?: High severity. CVSS v3 base score is 8.1 out of 10.