CVE-2021-40154

Published on: 12/01/2021 12:00:00 AM UTC

Last Modified on: 12/06/2021 07:28:00 PM UTC

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

Certain versions of Lpc55s69jbd100 from Nxp contain the following vulnerability:

NXP LPC55S69 devices before A3 have a buffer over-read via a crafted wlength value in a GET Descriptor Configuration request during use of USB In-System Programming (ISP) mode. This discloses protected flash memory.

  • CVE-2021-40154 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH NONE NONE

CVSS2 Score: 2.1 - LOW

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags Link
GitHub - Xen1thLabs-AE/CVE-2021-40154: POC to test the BootROM vulnerability found in LPC55S69 and K82 Series github.com
text/html
URL Logo MISC github.com/Xen1thLabs-AE/CVE-2021-40154
404 Not Found www.darkmatter.ae
text/html
Inactive LinkNot Archived
URL Logo MISC www.darkmatter.ae/xen1thlabs/published-advisories/

Exploit/POC from Github

POC to test the BootROM vulnerability found in LPC55S69 and K82 Series

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
HardwareNxpLpc55s69jbd1000aAllAllAll
HardwareNxpLpc55s69jbd1001bAllAllAll
Operating
System
NxpLpc55s69jbd100 Firmware-AllAllAll
HardwareNxpLpc55s69jbd640aAllAllAll
HardwareNxpLpc55s69jbd641bAllAllAll
Operating
System
NxpLpc55s69jbd64 Firmware-AllAllAll
HardwareNxpLpc55s69jev980aAllAllAll
HardwareNxpLpc55s69jev981bAllAllAll
Operating
System
NxpLpc55s69jev98 Firmware-AllAllAll
  • cpe:2.3:h:nxp:lpc55s69jbd100:0a:*:*:*:*:*:*:*:
  • cpe:2.3:h:nxp:lpc55s69jbd100:1b:*:*:*:*:*:*:*:
  • cpe:2.3:o:nxp:lpc55s69jbd100_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:nxp:lpc55s69jbd64:0a:*:*:*:*:*:*:*:
  • cpe:2.3:h:nxp:lpc55s69jbd64:1b:*:*:*:*:*:*:*:
  • cpe:2.3:o:nxp:lpc55s69jbd64_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:nxp:lpc55s69jev98:0a:*:*:*:*:*:*:*:
  • cpe:2.3:h:nxp:lpc55s69jev98:1b:*:*:*:*:*:*:*:
  • cpe:2.3:o:nxp:lpc55s69jev98_firmware:-:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40154 : NXP LPC55S69 devices before A3 have a buffer over-read via a crafted wlength value in a GET Descri… twitter.com/i/web/status/1… 2021-12-01 15:03:43
© CVE.report 2022 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report