CVE-2021-40154
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
Los dispositivos NXP LPC55S69 versiones anteriores a A3, presentan una lectura excesiva del búfer por medio de un valor wlength diseñado en una petición GET Descriptor Configuration durante el uso del modo USB In-System Programming (ISP). Esto revela la memoria flash protegida
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-08-27 CVE Reserved
- 2021-11-23 First Exploit
- 2021-12-01 CVE Published
- 2023-06-24 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://github.com/Xen1thLabs-AE/CVE-2021-40154 | Third Party Advisory | |
| https://www.darkmatter.ae/xen1thlabs/published-advisories | Broken Link |
| URL | Date | SRC |
|---|---|---|
| https://github.com/Jeromeyoung/CVE-2021-40154 | 2021-11-23 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Nxp Search vendor "Nxp" | Lpc55s69jbd100 Firmware Search vendor "Nxp" for product "Lpc55s69jbd100 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jbd100 Search vendor "Nxp" for product "Lpc55s69jbd100" | 0a Search vendor "Nxp" for product "Lpc55s69jbd100" and version "0a" | - |
Safe
|
| Nxp Search vendor "Nxp" | Lpc55s69jbd100 Firmware Search vendor "Nxp" for product "Lpc55s69jbd100 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jbd100 Search vendor "Nxp" for product "Lpc55s69jbd100" | 1b Search vendor "Nxp" for product "Lpc55s69jbd100" and version "1b" | - |
Safe
|
| Nxp Search vendor "Nxp" | Lpc55s69jbd64 Firmware Search vendor "Nxp" for product "Lpc55s69jbd64 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jbd64 Search vendor "Nxp" for product "Lpc55s69jbd64" | 0a Search vendor "Nxp" for product "Lpc55s69jbd64" and version "0a" | - |
Safe
|
| Nxp Search vendor "Nxp" | Lpc55s69jbd64 Firmware Search vendor "Nxp" for product "Lpc55s69jbd64 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jbd64 Search vendor "Nxp" for product "Lpc55s69jbd64" | 1b Search vendor "Nxp" for product "Lpc55s69jbd64" and version "1b" | - |
Safe
|
| Nxp Search vendor "Nxp" | Lpc55s69jev98 Firmware Search vendor "Nxp" for product "Lpc55s69jev98 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jev98 Search vendor "Nxp" for product "Lpc55s69jev98" | 0a Search vendor "Nxp" for product "Lpc55s69jev98" and version "0a" | - |
Safe
|
| Nxp Search vendor "Nxp" | Lpc55s69jev98 Firmware Search vendor "Nxp" for product "Lpc55s69jev98 Firmware" | - | - |
Affected
| in | Nxp Search vendor "Nxp" | Lpc55s69jev98 Search vendor "Nxp" for product "Lpc55s69jev98" | 1b Search vendor "Nxp" for product "Lpc55s69jev98" and version "1b" | - |
Safe
|