CVE-2021-40154

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-40154
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-01T15:15:07
  • Last Modified Date
  • 2021-12-06T19:28:56
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:nxp:lpc55s69jbd100_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jbd100:0a:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nxp:lpc55s69jbd100_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jbd100:1b:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nxp:lpc55s69jbd64_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jbd64:0a:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nxp:lpc55s69jbd64_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jbd64:1b:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nxp:lpc55s69jev98_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jev98:0a:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nxp:lpc55s69jev98_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nxp:lpc55s69jev98:1b:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/Xen1thLabs-AE/CVE-2021-40154 Third Party Advisory
https://www.darkmatter.ae/xen1thlabs/published-advisories/ Broken Link Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-40154
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40154
History
Created Old Value New Value Data Type Notes
2022-05-10 06:42:53 Added to TrackCVE
2022-12-05 15:22:12 2021-12-01T15:15Z 2021-12-01T15:15:07 CVE Published Date updated
2022-12-05 15:22:12 2021-12-06T19:28:56 CVE Modified Date updated
2022-12-05 15:22:12 Analyzed Vulnerability Status updated