CVE-2021-3440

Name: CVE-2021-3440
Creator: NVD / NIST
Published: 2021-11-01T14:15:07.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2021-3440 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. HP Print and Scan Doctor, an application within the HP Smart App for Windows, is potentially vulnerable to local elevation of privilege.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

HP Print and Scan Doctor, an application within the HP Smart App for Windows, is potentially vulnerable to local elevation of privilege.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.28%

19.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Hp	Hp Smart	< 128.1.217

References

https://support.hp.com/us-en/document/ish_4120228-4120263-16/hpsbpi03727Vendor Advisory
https://support.hp.com/us-en/document/ish_4120228-4120263-16/hpsbpi03727Vendor Advisory

Timeline

Published: Nov 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3440?

HP Print and Scan Doctor, an application within the HP Smart App for Windows, is potentially vulnerable to local elevation of privilege.

How severe is CVE-2021-3440?

CVE-2021-3440 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3440?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3440?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST