How severe is CVE-2019-9931?

CVE-2019-9931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-9931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9931?

CVE-2019-9931 primarily affects Lexmark Cs31x Firmware. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9931?

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-2019-9931 published?

CVE-2019-9931 was published on 2019-08-28 and last updated on 2026-06-17.

CVE-2019-9931

CVE-2019-9931 is a high-severity vulnerability in Lexmark Cs31x Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lexmark Cs31x Firmware
Published: 2019-08-28
Last modified: 2026-06-17

Description

Various Lexmark printers contain a denial of service vulnerability in the SNMP service that can be exploited to crash the device.

Frequently asked questions

What is CVE-2019-9931?: Various Lexmark printers contain a denial of service vulnerability in the SNMP service that can be exploited to crash the device.
How severe is CVE-2019-9931?: CVE-2019-9931 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-9931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9931?: CVE-2019-9931 primarily affects Lexmark Cs31x Firmware. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9931?: 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-2019-9931 published?: CVE-2019-9931 was published on 2019-08-28 and last updated on 2026-06-17.

References

http://support.lexmark.com/index?page=content&id=TE919&locale=EN&userlocale=EN_US

Affected products (71)

cpe:2.3:o:lexmark:cs31x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cs41x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cx310_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms310_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms312_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms317_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m1140_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms315_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms415_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms417_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms51x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms610dn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms617_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m1145_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m3150dn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms71x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5163dn_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms810_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms811_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms812_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms817_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms818_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms810de_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5155_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5163_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms812de_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5170_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms91x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx31x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:xm1135_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx511_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx610_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx611_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:xm3150_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx71x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx81x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:xm51xx_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Lexmark Cs31x Firmware

CVE-2019-9933 — Critical (CVSS 9.8): Various Lexmark products have a Buffer Overflow (issue 3 of 3).
CVE-2019-9932 — Critical (CVSS 9.8): Various Lexmark products have a Buffer Overflow (issue 2 of 3).
CVE-2019-9930 — Critical (CVSS 9.8): Various Lexmark products have an Integer Overflow.
CVE-2019-10058 — Critical (CVSS 9.1): Various Lexmark products have Incorrect Access Control.
CVE-2019-10057 — Medium (CVSS 6.5): Various Lexmark products have CSRF.
CVE-2020-10094 — Medium (CVSS 5.4): A cross-site scripting (XSS) vulnerability in Lexmark CS31x before LW74.VYL.P273; CS41x before LW74.VY2.P273; CS51x…

All CVEs affecting Lexmark Cs31x Firmware →