CVE-2021-22173
Gentoo Linux Security Advisory 202107-21
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Memory leak in USB HID dissector in Wireshark 3.4.0 to 3.4.2 allows denial of service via packet injection or crafted capture file
Una fuga de memoria en el disector HID USB en Wireshark versiones 3.4.0 hasta 3.4.2, permite una denegación de servicio por medio de una inyección de paquetes o 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:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-01-05 CVE Reserved
- 2021-02-01 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-401: Missing Release of Memory after Effective Lifetime
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22173.json | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://gitlab.com/wireshark/wireshark/-/issues/17124 | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://www.oracle.com/security-alerts/cpuApr2021.html | 2023-11-07 |
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" | >= 3.4.0 < 3.4.3 Search vendor "Wireshark" for product "Wireshark" and version " >= 3.4.0 < 3.4.3" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
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
| ||||||