Eclipse Mosquitto up to 2.0.9 MQTT v5 null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Eclipse Mosquitto up to 2.0.9. It has been rated as problematic. Affected by this issue is some unknown functionality of the component MQTT v5 Handler. The manipulation leads to null pointer dereference. This vulnerability is listed as CVE-2021-28166. The attack may be initiated remotely. There is no available exploit.
Details
A vulnerability, which was classified as problematic, has been found in Eclipse Mosquitto up to 2.0.9. This issue affects an unknown function of the component MQTT v5 Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability.
The weakness was presented 04/08/2021. The advisory is shared at bugs.eclipse.org. The identification of this vulnerability is CVE-2021-28166. Neither technical details nor an exploit are publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
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: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
03/12/2021 🔍04/08/2021 🔍
04/08/2021 🔍
04/11/2021 🔍
Sources
Advisory: bugs.eclipse.orgStatus: Not defined
Confirmation: 🔍
CVE: CVE-2021-28166 (🔍)
GCVE (CVE): GCVE-0-2021-28166
GCVE (VulDB): GCVE-100-172613
Entry
Created: 04/08/2021 09:55Updated: 04/11/2021 17:13
Changes: 04/08/2021 09:55 (36), 04/11/2021 17:09 (3), 04/11/2021 17:13 (1)
Complete: 🔍
Cache ID: 216::103
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