// For flags

CVE-2023-51394

Potential DoS for EFR32xxx parts in high traffic environments due to null buffer dereference / crash

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.

Los entornos de mucho tráfico pueden provocar una vulnerabilidad de desreferencia de puntero NULL en el SDK Ember ZNet de Silicon Labs anterior a la versión 7.4.0, lo que provoca un fallo del sistema.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
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
  • 2024-02-23 CVE Published
  • 2024-08-16 CVE Updated
  • 2025-04-15 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
  • CAPEC-595: Connection Reset
References (1)
URL Tag Source
https://community.silabs.com/068Vm000001NL4u
URL Date SRC
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
Silabs.com
Search vendor "Silabs.com"
 Ember ZNet SDK
Search vendor "Silabs.com" for product "Ember ZNet SDK"
 < 7.4.0
Search vendor "Silabs.com" for product "Ember ZNet SDK" and version " < 7.4.0"
en
Affected