CVE-2019-18791

CVE-2019-18791 is a medium-severity vulnerability in Lexmark Cx31x Firmware with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Description

Lexmark printer MS812 and multiple older generation Lexmark devices have a stored XSS vulnerability in the embedded web server. The vulnerability can be exploited to expose session credentials and other information via the users web browser.

Frequently asked questions

What is CVE-2019-18791?
Lexmark printer MS812 and multiple older generation Lexmark devices have a stored XSS vulnerability in the embedded web server. The vulnerability can be exploited to expose session credentials and other information via the users web browser.
How severe is CVE-2019-18791?
CVE-2019-18791 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-18791 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18791?
CVE-2019-18791 primarily affects Lexmark Cx31x Firmware. In total, 80 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18791?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18791 published?
CVE-2019-18791 was published on 2020-02-13 and last updated on 2026-06-17.

References

Affected products (80)

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