wireshark wireshark CVE-2021-22173 vulnerability in Wireshark and Other Products
Published on February 17, 2021

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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

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Vulnerability Analysis

CVE-2021-22173 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
NONE
Availability Impact:
LOW

Products Associated with CVE-2021-22173

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-22173 are published in these products:

Wireshark
 
Fedora Project Fedora
 
Oracle Zfs Storage Appliance
 

Affected Versions

The Wireshark Foundation Wireshark Version >=3.4.0, <3.4.3 is affected by CVE-2021-22173

Exploit Probability

EPSS
0.50%
Percentile
65.60%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.