CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-3942
Critical (9.8) in hp. EPSS 1.6% chance of exploitation in the next 30 days.
Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
- CWE
- CWE-119
- Published
- Modified
- Record from
- the NVD, synced
Affected
- hp:color_laserjet_cm4540_mfp_cc419a_firmware
- hp:color_laserjet_cm4540_mfp_cc420a_firmware
- hp:color_laserjet_cm4540_mfp_cc421a_firmware
- hp:color_laserjet_cm5525_mfp_ce707a_firmware
- hp:color_laserjet_cm5525_mfp_ce708a_firmware
- hp:color_laserjet_cm5525_mfp_ce709a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m577_b5l46a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m577_b5l47a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m577_b5l48a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m577_b5l54a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m680_ca251a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m680_cz248a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m680_cz249a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m680_cz250a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m681_j8a10a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m681_j8a11a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m681_j8a12a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m681_j8a13a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m682_j8a16a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m682_j8a17a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m776_t3u55a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m776_t3u56a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_a2w75a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_a2w76a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_d7p70a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_d7p71a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_l3u51a_firmware
- hp:color_laserjet_enterprise_flow_mfp_m880z_l3u52a_firmware
- hp:color_laserjet_enterprise_m553_b5l24a_firmware
- hp:color_laserjet_enterprise_m553_b5l25a_firmware
- hp:color_laserjet_enterprise_m553_b5l26a_firmware
- hp:color_laserjet_enterprise_m553_b5l27a_firmware
- hp:color_laserjet_enterprise_m553_b5l38a_firmware
- hp:color_laserjet_enterprise_m553_b5l39a_firmware
- hp:color_laserjet_enterprise_m554_7zu78a_firmware
- hp:color_laserjet_enterprise_m554_7zu79a_firmware
- hp:color_laserjet_enterprise_m554_7zu81a_firmware
- hp:color_laserjet_enterprise_m555_7zu78a_firmware
- hp:color_laserjet_enterprise_m555_7zu79a_firmware
- hp:color_laserjet_enterprise_m555_7zu81a_firmware
- hp:color_laserjet_enterprise_m651_cz255a_firmware
- hp:color_laserjet_enterprise_m651_cz256a_firmware
- hp:color_laserjet_enterprise_m651_cz257a_firmware
- hp:color_laserjet_enterprise_m651_h0dc9a_firmware
- hp:color_laserjet_enterprise_m651_l8z07a_firmware
- hp:color_laserjet_enterprise_m652_j7z98a_firmware
- hp:color_laserjet_enterprise_m652_j7z99a_firmware
- hp:color_laserjet_enterprise_m653_j8a04a_firmware
- hp:color_laserjet_enterprise_m653_j8a05a_firmware
- hp:color_laserjet_enterprise_m653_j8a06a_firmware