CVE-2022-43780

Certain HP ENVY, OfficeJet, and DeskJet printers may be vulnerable to a Denial of Service attack.

Published: 2022-12-12 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-43780 is rated Moderate Risk (49.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.86%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-43780

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.31% 0.86% +0.55%
2 2025-12-13 0.71% 0.31% -0.40%
3 2025-11-26 — 0.71% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-43780

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-43780

Affected software / configurations for CVE-2022-43780

Vendor Product Version Raw CPE
hp m2u75a_firmware < 003.2237a cpe:2.3:o:hp:m2u75a_firmware:*:*:*:*:*:*:*:*
hp m2u76a_firmware < 003.2237a cpe:2.3:o:hp:m2u76a_firmware:*:*:*:*:*:*:*:*
hp m2u77a_firmware < 003.2237a cpe:2.3:o:hp:m2u77a_firmware:*:*:*:*:*:*:*:*
hp m2u81a_firmware < 003.2237a cpe:2.3:o:hp:m2u81a_firmware:*:*:*:*:*:*:*:*
hp m2u81b_firmware < 003.2237a cpe:2.3:o:hp:m2u81b_firmware:*:*:*:*:*:*:*:*
hp m2u82a_firmware < 003.2237a cpe:2.3:o:hp:m2u82a_firmware:*:*:*:*:*:*:*:*
hp m2u82b_firmware < 003.2237a cpe:2.3:o:hp:m2u82b_firmware:*:*:*:*:*:*:*:*
hp m2u84a_firmware < 003.2237a cpe:2.3:o:hp:m2u84a_firmware:*:*:*:*:*:*:*:*
hp m2u84b_firmware < 003.2237a cpe:2.3:o:hp:m2u84b_firmware:*:*:*:*:*:*:*:*
hp m2u85a_firmware < 003.2237a cpe:2.3:o:hp:m2u85a_firmware:*:*:*:*:*:*:*:*
hp m2u85b_firmware < 003.2237a cpe:2.3:o:hp:m2u85b_firmware:*:*:*:*:*:*:*:*
hp m2u86a_firmware < 003.2237a cpe:2.3:o:hp:m2u86a_firmware:*:*:*:*:*:*:*:*
hp m2u86b_firmware < 003.2237a cpe:2.3:o:hp:m2u86b_firmware:*:*:*:*:*:*:*:*
hp m2u86c_firmware < 003.2237a cpe:2.3:o:hp:m2u86c_firmware:*:*:*:*:*:*:*:*
hp m2u87a_firmware < 003.2237a cpe:2.3:o:hp:m2u87a_firmware:*:*:*:*:*:*:*:*
hp m2u87b_firmware < 003.2237a cpe:2.3:o:hp:m2u87b_firmware:*:*:*:*:*:*:*:*
hp m2u88b_firmware < 003.2237a cpe:2.3:o:hp:m2u88b_firmware:*:*:*:*:*:*:*:*
hp m2u89b_firmware < 003.2237a cpe:2.3:o:hp:m2u89b_firmware:*:*:*:*:*:*:*:*
hp m2u91a_firmware < 003.2237a cpe:2.3:o:hp:m2u91a_firmware:*:*:*:*:*:*:*:*
hp m2u91b_firmware < 003.2237a cpe:2.3:o:hp:m2u91b_firmware:*:*:*:*:*:*:*:*
hp m2u92a_firmware < 003.2237a cpe:2.3:o:hp:m2u92a_firmware:*:*:*:*:*:*:*:*
hp m2u92b_firmware < 003.2237a cpe:2.3:o:hp:m2u92b_firmware:*:*:*:*:*:*:*:*
hp m2u94a_firmware < 003.2237a cpe:2.3:o:hp:m2u94a_firmware:*:*:*:*:*:*:*:*
hp m2u94b_firmware < 003.2237a cpe:2.3:o:hp:m2u94b_firmware:*:*:*:*:*:*:*:*
hp z4a54a_firmware < 003.2237a cpe:2.3:o:hp:z4a54a_firmware:*:*:*:*:*:*:*:*
hp z4a59a_firmware < 003.2237a cpe:2.3:o:hp:z4a59a_firmware:*:*:*:*:*:*:*:*
hp z4a60a_firmware < 003.2237a cpe:2.3:o:hp:z4a60a_firmware:*:*:*:*:*:*:*:*
hp z4a61a_firmware < 003.2237a cpe:2.3:o:hp:z4a61a_firmware:*:*:*:*:*:*:*:*
hp z4a61b_firmware < 003.2237a cpe:2.3:o:hp:z4a61b_firmware:*:*:*:*:*:*:*:*
hp z4a69a_firmware < 003.2237a cpe:2.3:o:hp:z4a69a_firmware:*:*:*:*:*:*:*:*
hp z4a70a_firmware < 003.2237a cpe:2.3:o:hp:z4a70a_firmware:*:*:*:*:*:*:*:*
hp z4a71a_firmware < 003.2237a cpe:2.3:o:hp:z4a71a_firmware:*:*:*:*:*:*:*:*
hp z4a73a_firmware < 003.2237a cpe:2.3:o:hp:z4a73a_firmware:*:*:*:*:*:*:*:*
hp z4a74a_firmware < 003.2237a cpe:2.3:o:hp:z4a74a_firmware:*:*:*:*:*:*:*:*
hp z4b12a_firmware < 003.2237a cpe:2.3:o:hp:z4b12a_firmware:*:*:*:*:*:*:*:*
hp z4b13a_firmware < 003.2237a cpe:2.3:o:hp:z4b13a_firmware:*:*:*:*:*:*:*:*
hp z4b14a_firmware < 003.2237a cpe:2.3:o:hp:z4b14a_firmware:*:*:*:*:*:*:*:*
hp z4b18a_firmware < 003.2237a cpe:2.3:o:hp:z4b18a_firmware:*:*:*:*:*:*:*:*
hp z4b27a_firmware < 003.2237a cpe:2.3:o:hp:z4b27a_firmware:*:*:*:*:*:*:*:*
hp z4b28a_firmware < 003.2237a cpe:2.3:o:hp:z4b28a_firmware:*:*:*:*:*:*:*:*
hp z4b29a_firmware < 003.2237a cpe:2.3:o:hp:z4b29a_firmware:*:*:*:*:*:*:*:*

References for CVE-2022-43780

cvelogic Threat Intelligence