VDB-179430 · CVE-2021-34431 · GCVE-0-2021-34431

Eclipse Mosquitto up to 2.0.10 MQTT v5 memory leak

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Eclipse Mosquitto up to 2.0.10. It has been declared as problematic. This impacts an unknown function of the component MQTT v5 Handler. The manipulation results in memory leak. This vulnerability is known as CVE-2021-34431. No exploit is available.

Detailsinfo

A vulnerability was found in Eclipse Mosquitto up to 2.0.10. It has been classified as problematic. Affected is some unknown processing of the component MQTT v5 Handler. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability.

The weakness was published 07/22/2021. The advisory is available at bugs.eclipse.org. This vulnerability is traded as CVE-2021-34431. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Eclipse

Name

Mosquitto

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2021 🔍
07/22/2021 +43 days 🔍
07/22/2021 +0 days 🔍
07/27/2021 +5 days 🔍

Sourcesinfo

Advisory: bugs.eclipse.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-34431 (🔍)
GCVE (CVE): GCVE-0-2021-34431
GCVE (VulDB): GCVE-100-179430

Entryinfo

Created: 07/22/2021 21:56
Updated: 07/27/2021 10:02
Changes: 07/22/2021 21:56 (36), 07/27/2021 10:02 (3)
Complete: 🔍
Cache ID: 216::103