CVE-2022-29850

CVE-2022-29850 is a high-severity vulnerability in Lexmark B2236 Firmware with a CVSS 3.x base score of 8.1. 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-20.

Key facts

Description

Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots.

Frequently asked questions

What is CVE-2022-29850?
Various Lexmark products through 2022-04-27 allow an attacker who has already compromised an affected Lexmark device to maintain persistence across reboots.
How severe is CVE-2022-29850?
CVE-2022-29850 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-29850 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29850?
CVE-2022-29850 primarily affects Lexmark B2236 Firmware. In total, 117 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-29850?
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-2022-29850 published?
CVE-2022-29850 was published on 2022-08-26 and last updated on 2026-06-17.

References

Affected products (117)

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