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Fencer Vulns
critical 9.8

CVE-2022-28721 json

Certain HP Print Products are potentially vulnerable to Remote Code Execution.

published 2022-09-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33163

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Certain HP Print Products are potentially vulnerable to Remote Code Execution.

Patch / fix

  • hp m2u86a_firmware 2211a
  • hp m2u86b_firmware 2211a
  • hp m2u86c_firmware 2211a
  • hp m2u87a_firmware 2211a
  • hp m2u87b_firmware 2211a
  • hp m2u88b_firmware 2211a
  • hp m2u89b_firmware 2211a
  • hp m2u76a_firmware 2211c
  • hp m2u77a_firmware 2211c
  • hp 5se522a_firmware 001.2214a
  • hp 5sd78a_firmware 001.2214a
  • hp 5sd79a_firmware 001.2214a
  • hp m2u85b_firmware 2211c
  • hp z4a59a_firmware 2211c
  • hp z4a71a_firmware 2211c
  • hp m2u91b_firmware 2211c
  • hp z4a69a_firmware 2211c
  • hp m2u92b_firmware 2211c
  • hp z4a70a_firmware 2211c
  • hp m2u94b_firmware 2211c

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
17 mo ago

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • n/a Certain HP inkjet printers, HP LaserJet Pro printers, HP PageWide Pro printers.

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.