Home/CVE/Embedded web server command injection vulnerability in Lexmark devices through 2021-12-07.
CVE

CVE-2021-44735

Embedded web server command injection vulnerability in Lexmark devices through 2021-12-07.

Embedded web server command injection vulnerability in Lexmark devices through 2021-12-07.

CRITICAL · CVSS 9.8 EPSS 0.1323
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
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Affected Products & Versions

60
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
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jan 2022 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lexmark.com/alerts/Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-326/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-329/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-330/Third Party AdvisoryVDB Entry
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