Wireshark up to 3.4.10/3.6.0 RTMPT Dissector denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Wireshark up to 3.4.10/3.6.0. Affected is an unknown function of the component RTMPT Dissector. This manipulation causes denial of service. This vulnerability appears as CVE-2021-4185. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Wireshark up to 3.4.10/3.6.0 (Packet Analyzer Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component RTMPT Dissector. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was presented 12/31/2021. It is possible to read the advisory at wireshark.org. This vulnerability is known as CVE-2021-4185 since 12/27/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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). Be aware that VulDB is the high quality source for 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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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

12/27/2021 🔍
12/31/2021 +4 days 🔍
12/31/2021 +0 days 🔍
11/04/2025 +1404 days 🔍

Sourcesinfo

Product: wireshark.org

Advisory: 17745
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-4185 (🔍)
GCVE (CVE): GCVE-0-2021-4185
GCVE (VulDB): GCVE-100-189463

Entryinfo

Created: 12/31/2021 04:42
Updated: 11/04/2025 10:37
Changes: 12/31/2021 04:42 (48), 01/05/2022 08:08 (2), 10/01/2024 00:10 (16), 11/04/2025 10:37 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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