Wireshark 3.6.0 Kafka Dissector denial of service

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 (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Wireshark 3.6.0 and classified as problematic. Affected by this issue is some unknown functionality of the component Kafka Dissector. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2021-4190. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Wireshark 3.6.0 (Packet Analyzer Software). It has been classified as problematic. This affects an unknown part of the component Kafka Dissector. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was published 12/31/2021. The advisory is shared at wireshark.org. This vulnerability is uniquely identified as CVE-2021-4190 since 12/29/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 207910 (Debian dla-3906 : libwireshark-data - security update), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (207910). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: 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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Nessus ID: 207910
Nessus Name: Debian dla-3906 : libwireshark-data - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/29/2021 🔍
12/31/2021 +2 days 🔍
12/31/2021 +0 days 🔍
11/04/2025 +1404 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: 17811
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4190 (🔍)
GCVE (CVE): GCVE-0-2021-4190
GCVE (VulDB): GCVE-100-189465

Entryinfo

Created: 12/31/2021 04:43
Updated: 11/04/2025 10:37
Changes: 12/31/2021 04:43 (48), 01/05/2022 08:17 (2), 10/02/2024 15:46 (16), 11/04/2025 10:37 (19)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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