How severe is CVE-2021-44736?

CVE-2021-44736 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-44736 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44736?

CVE-2021-44736 affects Lexmark Mc3224i Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44736?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-44736 published?

CVE-2021-44736 was published on 2022-01-20 and last updated on 2026-06-17.

CVE-2021-44736

CVE-2021-44736 is a critical-severity vulnerability in Lexmark Mc3224i Firmware with a CVSS 3.x base score of 9.8. 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Lexmark Mc3224i Firmware
Published: 2022-01-20
Last modified: 2026-06-17

Description

The initial admin account setup wizard on Lexmark devices allow unauthenticated access to the “out of service erase” feature.

Frequently asked questions

What is CVE-2021-44736?: The initial admin account setup wizard on Lexmark devices allow unauthenticated access to the “out of service erase” feature.
How severe is CVE-2021-44736?: CVE-2021-44736 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-44736 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44736?: CVE-2021-44736 affects Lexmark Mc3224i Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44736?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-44736 published?: CVE-2021-44736 was published on 2022-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:lexmark:mc3224i_firmware:-:*:*:*:*:*:*:*

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