CVE-2020-28419Network attack vector

Arbitrary code execution via installation package

Published Nov 9, 2021 · Updated Aug 4, 2024

CVE-2020-28419 in HP printer software allows remote attackers to execute arbitrary code during installation via crafted driver or application packages. The affected installation component and unsafe operation are not publicly disclosed beyond the vendor description, so the exact parsing or execution locus cannot be identified. Exploitation requires a victim to install the package, after which confidentiality, integrity, and availability can be compromised.

CVSS severity8.8
High
EPSS probability2.58%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CVE-2020-28419 in HP printer software allows remote attackers to execute arbitrary code during installation via crafted driver or application packages. The affected installation component and unsafe operation are not publicly disclosed beyond the vendor description, so the exact parsing or execution locus cannot be identified. Exploitation requires a victim to install the package, after which confidentiality, integrity, and availability can be compromised.

The record

CVE
CVE-2020-28419
Published
Nov 9, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Nov 9, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8NVDAV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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