Is CVE-2021-44737 being actively exploited?

CVE-2021-44737 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2021-44737?

CVE-2021-44737 has a CVSS 3.1 base score of 8.8 (HIGH).

CVE-2021-44737

HIGH · CVSS 8.8EPSS 1.4%EU EUVD

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

Key facts

CVSS score: 8.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-22
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2021-31552)
Published: January 20, 2022
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-31552 in the EU Vulnerability Database. Last updated in EUVD on August 4, 2024.

View on the EU Vulnerability Database

Affected products

lexmark / 6500e
lexmark / 6500e firmware
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
lexmark / b2865
lexmark / b2865 firmware
lexmark / b3340
lexmark / b3340 firmware
lexmark / b3442
lexmark / b3442 firmware
lexmark / c2132
lexmark / c2132 firmware
lexmark / c2240
lexmark / c2240 firmware
lexmark / c2325
lexmark / c2325 firmware
lexmark / c2326
lexmark / c2326 firmware
lexmark / c2425
lexmark / c2425 firmware
lexmark / c2535
lexmark / c2535 firmware
lexmark / c3224
lexmark / c3224 firmware
lexmark / c3326
lexmark / c3326 firmware
lexmark / c3426
lexmark / c3426 firmware
lexmark / c4150
lexmark / c4150 firmware
lexmark / c6160
lexmark / c6160 firmware
lexmark / c734
lexmark / c734 firmware
lexmark / c736
lexmark / c736 firmware
lexmark / c746
lexmark / c746 firmware
lexmark / c748
lexmark / c748 firmware
lexmark / c792
lexmark / c792 firmware

and 417 more…

Certified products that may be affected

19 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Lexmark MS622, MS822, MS826, CS730, CS735, CS943, MS632, CS632, and CS963 Single-Function Printers, Firmware version 240.204CC - Lexmark International, Inc. - Common Criteria 666-LSS - active
Lexmark MX432, MX421, MX521, MX622, MX721, MX722, MX725, MX931, CX730, CX735, CX930, CX931, CX942, CX943, CX944, CX532, CX635, MX532, MX632, MX953, CX950, CX951, CX961, CX962, CX963, and CX833 Multi-Function Printers with Fax and without Hard Drive, Firmware version 240.204CC - Lexmark International, Inc. - Common Criteria 663-LSS - active
Lexmark MX521, MX931, MX953, CX730, CX930, CX931, CX950, CX951, CX961, CX962, CX963, and CX833 Multi-Function Printers without Fax or Hard Drive, Firmware version 240.204CC - Lexmark International, Inc. - Common Criteria 665-LSS - active
Lexmark MX432, MX522, MX622, MX721, MX722, MX822, MX826, MX931, CX730, CX735, CX930, CX931, CX942, CX943, CX944, CX532, CX635, MX532, MX632, MX953, CX961, CX962, CX963, CX950, CX951 and CX833 Multi-Function Printers with Fax and Hard Drive, Firmware version 240.204CC - Lexmark International, Inc. - Common Criteria 662-LSS - active
Lexmark MX521, MX931, CX730, CX930, and CX931 MFPs with Trusted Platform Module without Fax and Hard Drive and with Firmware Version 081.234 - Lexmark International, Inc. - Common Criteria 589-EWA - active

See all 19 in the Security Certifications Explorer.

References

https://support.lexmark.com/alerts/(Vendor Advisory)
https://www.zerodayinitiative.com/advisories/ZDI-22-333/(Third Party Advisory, VDB Entry)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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