CVE-2021-4186

Published: Dic 30, 2021 Last Modified: Nov 03, 2025 EU-VD ID: EUVD-2021-34046 Aliases: GSD-2021-4186
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,3
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: low
Integrity: low
Availability: low
MEDIUM 5,0
Access Vector: network
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: partial

Description

AI Translation Available

Crash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0013
Percentile
0,3th
Updated

EPSS Score Trend (Last 90 Days)

476

NULL Pointer Dereference

Stable
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Execute Unauthorized Code Or Commands Read Memory Modify Memory
Applicable Platforms
Languages: C, C#, C++, Go, Java
View CWE Details
Operating System

Fedora by Fedoraproject

cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Wireshark by Wireshark

Version Range Affected
From 3.4.0 (inclusive)
To 3.4.10 (inclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Operating System

Fedora by Fedoraproject

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
https://gitlab.com/wireshark/wireshark/-/issues/17737
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.gentoo.org/glsa/202210-04
https://www.wireshark.org/security/wnpa-sec-2021-16.html
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4186.json
https://gitlab.com/wireshark/wireshark/-/issues/17737
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://security.gentoo.org/glsa/202210-04
https://www.wireshark.org/security/wnpa-sec-2021-16.html