Silabs Ember ZNet SDK up to 7.3.x null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Silabs Ember ZNet SDK up to 7.3.x. Impacted is an unknown function. Performing a manipulation results in null pointer dereference. This vulnerability is known as CVE-2023-51394. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Silabs Ember ZNet SDK up to 7.3.x. This affects some unknown functionality. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:
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.
The weakness was published 02/23/2024. It is possible to read the advisory at community.silabs.com. This vulnerability is uniquely identified as CVE-2023-51394 since 12/18/2023. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 7.4.0 eliminates this vulnerability.
Be aware that VulDB is the high quality source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.0VulDB Meta Temp Score: 6.0
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 5.3
CNA Vector (Silicon Labs): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Ember ZNet SDK 7.4.0
Timeline
12/18/2023 🔍02/23/2024 🔍
02/23/2024 🔍
02/13/2025 🔍
Sources
Advisory: community.silabs.comStatus: Confirmed
CVE: CVE-2023-51394 (🔍)
GCVE (CVE): GCVE-0-2023-51394
GCVE (VulDB): GCVE-100-254655
Entry
Created: 02/23/2024 20:35Updated: 02/13/2025 02:18
Changes: 02/23/2024 20:35 (48), 03/14/2024 01:26 (1), 02/13/2025 02:18 (27)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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