// For flags

CVE-2023-51391

Micrium OS Network uC-HTTP server header parsing invalid pointer dereference vulnerability

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A bug in Micrium OS Network HTTP Server permits an invalid pointer dereference during header processing - potentially allowing a device crash and Denial of Service.

Un error en Micrium OS Network HTTP Server permite una desreferencia de puntero no válida durante el procesamiento del encabezado, lo que podría provocar una falla del dispositivo y una denegación de servicio.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-12-18 CVE Reserved
  • 2024-04-16 CVE Published
  • 2025-02-13 CVE Updated
  • 2025-06-10 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-476: NULL Pointer Dereference
CAPEC
  • CAPEC-469: HTTP DoS
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Silabs
Search vendor "Silabs"
 Gecko Software Development Kit
Search vendor "Silabs" for product "Gecko Software Development Kit"
*-
Affected