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CVE-2021-3438

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung...

7.8 HighPublic exploit

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

2.90%Up 2.5 points since May 21, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.

Record
CVE-2021-3438
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-120
Updated
2026-11-02
CVE List No score

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.

Record
CVE-2021-3438
Updated
2026-11-02
EUVDEUVD-2021-26764 No score

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.

Record
EUVD-2021-26764
Updated
2026-11-03
GitHub AdvisoriesGHSA-cj2m-cm8v-5rvp No score

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung...

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.

Record
GHSA-cj2m-cm8v-5rvp
Weakness
CWE-120
Updated
2026-11-02

Affected products

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Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubCrackerCat/CVE-2021-34382023-05-22
PoC in GitHubTobiasS1402/CVE-2021-34382021-07-28

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3438 is a high vulnerability (CVSS 7.8) in Hp Color Laser 150 4zb94a, published May 20, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.90%, the 87th percentile. No source names a fixed version.

References

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