CVE-2021-41039
HIGH
7.5
CVSS Score
Published: December 1, 2021 at 12:00 AM UTC
Updated: June 17, 2026 at 04:07 AM UTC
1 product affected across 1 vendorMosquitto
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
ExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575314CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1050NVD-CWE-Other
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