CVE-2021-44737

CVE-2021-44737 is a high-severity vulnerability in Lexmark B2236 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Description

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

Frequently asked questions

What is CVE-2021-44737?
PJL directory traversal vulnerability in Lexmark devices through 2021-12-07 that can be leveraged to overwrite internal configuration files.
How severe is CVE-2021-44737?
CVE-2021-44737 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44737 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44737?
CVE-2021-44737 primarily affects Lexmark B2236 Firmware. In total, 234 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-44737?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-44737 published?
CVE-2021-44737 was published on 2022-01-20 and last updated on 2026-06-17.

References

Affected products (234)

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