Cyber Resilience

CVE-2021-44737

High

Published: 20 January 2022

Published
20 January 2022
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0085 75.3th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-44737 is a high-severity Path Traversal (CWE-22) vulnerability in Lexmark Mc3426 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 24.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

PJL directory traversal vulnerability in Lexmark devices through 2021-12-07 that can be leveraged to overwrite internal configuration files.

CWE(s)
CWE-22

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

lexmark
b2236 firmware
≤ mslsg.076.294
lexmark
mb2236 firmware
≤ mxlsg.076.294
lexmark
ms431 firmware
≤ mslbd.076.294
lexmark
ms331 firmware
≤ mslbd.076.294
lexmark
m1342 firmware
≤ mslbd.076.294
lexmark
b3442 firmware
≤ mslbd.076.294
lexmark
b3340 firmware
≤ mslbd.076.294
lexmark
xm1342 firmware
≤ mslbd.076.294
lexmark
mx331 firmware
≤ mxlbd.076.294
lexmark
mx431 firmware
≤ mxlbd.076.294
+224 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References