// For flags

CVE-2021-22191

Gentoo Linux Security Advisory 202107-21

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Improper URL handling in Wireshark 3.4.0 to 3.4.3 and 3.2.0 to 3.2.11 could allow remote code execution via via packet injection or crafted capture file.

Un manejo inapropiado de la URL en Wireshark versiones 3.4.0 hasta 3.4.3 y versiones 3.2.0 hasta 3.2.1,1 podría permitir una ejecución de código remota por medio de una inyección de paquetes o un archivo de captura diseñado

Multiple vulnerabilities have been found in Wireshark, the worst of which could result in the arbitrary execution of code. Versions less than 3.4.6 are affected.

*Credits: Lukas Euler
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-05 CVE Reserved
  • 2021-03-11 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wireshark
Search vendor "Wireshark"
Wireshark
Search vendor "Wireshark" for product "Wireshark"
>= 3.2.0 <= 3.2.11
Search vendor "Wireshark" for product "Wireshark" and version " >= 3.2.0 <= 3.2.11"
-
Affected
Wireshark
Search vendor "Wireshark"
Wireshark
Search vendor "Wireshark" for product "Wireshark"
>= 3.4.0 <= 3.4.3
Search vendor "Wireshark" for product "Wireshark" and version " >= 3.4.0 <= 3.4.3"
-
Affected
Oracle
Search vendor "Oracle"
Zfs Storage Appliance
Search vendor "Oracle" for product "Zfs Storage Appliance"
8.8
Search vendor "Oracle" for product "Zfs Storage Appliance" and version "8.8"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
9.0
Search vendor "Debian" for product "Debian Linux" and version "9.0"
-
Affected