CVE-2022-22819

HIGH
Published Mar 23, 20224y ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Mar 23, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature is verified. This can allow an attacker to achieve non-persistent code execution via a crafted unsigned update.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-120

Affected Products 12

VendorProductVersionRange
nxplpc55s66jbd64_firmware*any
nxplpc55s66jbd64*any
nxplpc55s66jbd100_firmware*any
nxplpc55s66jbd100*any
nxplpc55s66jev98_firmware*any
nxplpc55s66jev98*any
nxplpc55s69jbd64_firmware*any
nxplpc55s69jbd64*any
nxplpc55s69jbd100_firmware*any
nxplpc55s69jbd100*any
nxplpc55s69jev98_firmware*any
nxplpc55s69jev98*any

References 2

  • oxide.computer https://oxide.computer/blog/another-vulnerability-in-the-lpc55s69-rom
    ExploitThird Party Advisory
  • nxp.com https://www.nxp.com
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.