Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-31532

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/05/2021
Last modified:
12/07/2022

Description

NXP LPC55S6x microcontrollers (0A and 1B), i.MX RT500 (silicon rev B1 and B2), i.MX RT600 (silicon rev A0, B0), LPC55S6x, LPC55S2x, LPC552x (silicon rev 0A, 1B), LPC55S1x, LPC551x (silicon rev 0A) and LPC55S0x, LPC550x (silicon rev 0A) include an undocumented ROM patch peripheral that allows unsigned, non-persistent modification of the internal ROM.

Impact

Vector 3.x
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:nxp:lpc55s69jbd100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jbd100:0a:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jbd100:1b:*:*:*:*:*:*:*
cpe:2.3:o:nxp:lpc55s66jbd100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s66jbd100:0a:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s66jbd100:1b:*:*:*:*:*:*:*
cpe:2.3:o:nxp:lpc55s69jev98_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jev98:0a:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jev98:1b:*:*:*:*:*:*:*
cpe:2.3:o:nxp:lpcs66jev98_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpcs66jev98:0a:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpcs66jev98:1b:*:*:*:*:*:*:*
cpe:2.3:o:nxp:lpc55s69jbd64_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jbd64:0a:*:*:*:*:*:*:*
cpe:2.3:h:nxp:lpc55s69jbd64:1b:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools