Cyber Resilience

CVE-2021-3438

High

Published: 20 May 2021

Published
20 May 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0054 68.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3438 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Hp Color Laser 150 4Zb94A. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 31.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

hp
color laser 150 4zb94a
all versions
hp
color laser 150 4zb95a
all versions
hp
color laser mfp 170 4zb96a
all versions
hp
color laser mfp 170 4zb97a
all versions
hp
color laser mfp 170 6hu08a
all versions
hp
color laser mfp 170 6hu09a
all versions
hp
laser 100 209u7a
all versions
hp
laser 100 4zb79a
all versions
hp
laser 100 4zb80a
all versions
hp
laser 100 4zb81a
all versions
+372 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References