How severe is CVE-2019-6318?

CVE-2019-6318 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-2019-6318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6318?

CVE-2019-6318 primarily affects Hp Color Laserjet Cm4540 Mfp Firmware. In total, 143 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-6318?

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-2019-6318 published?

CVE-2019-6318 was published on 2019-04-11 and last updated on 2026-06-17.

CVE-2019-6318

CVE-2019-6318 is a critical-severity vulnerability in Hp Color Laserjet Cm4540 Mfp 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-347.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Hp Color Laserjet Cm4540 Mfp Firmware
Published: 2019-04-11
Last modified: 2026-06-17

Description

HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers have an insufficient solution bundle signature validation that potentially allows execution of arbitrary code.

Frequently asked questions

What is CVE-2019-6318?: HP LaserJet Enterprise printers, HP PageWide Enterprise printers, HP LaserJet Managed printers, HP Officejet Enterprise printers have an insufficient solution bundle signature validation that potentially allows execution of arbitrary code.
How severe is CVE-2019-6318?: CVE-2019-6318 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-2019-6318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6318?: CVE-2019-6318 primarily affects Hp Color Laserjet Cm4540 Mfp Firmware. In total, 143 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6318?: 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-2019-6318 published?: CVE-2019-6318 was published on 2019-04-11 and last updated on 2026-06-17.

References

https://support.hp.com/us-en/document/c06265454

Affected products (143)

cpe:2.3:o:hp:color_laserjet_cm4540_mfp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_cp5525_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m553_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m552_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_m553_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m651_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_m651_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m652_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m653_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m750_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_m855_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_mfp_m577_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_flow_mfp_m577_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_mfp_m680_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_flow_mfp_m680_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_mfp_m681_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_flow_mfp_m681_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_mfp_m682_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_flow_mfp_m682_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_enterprise_flow_mfp_m880z_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_m880zm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_e55040dw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_e65050_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_e65060_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e77822_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e77825_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e77830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e57540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e57540_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e67550_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e67560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e6750_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e67560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e77822_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e77825_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e77830_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e87640_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e87650_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_mfp_e87660_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:color_laserjet_managed_flow_mfp_e87640_firmware:*:*:*:*:*:*:*:*

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