7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.017 Low
EPSS
Percentile
87.6%
11/17/2021
Warning
Multiple vulnerabilities were found in Wireshark. Malicious users can exploit these vulnerabilities to cause denial of service.
Wireshark 3.4.x earlier than 3.4.10
Wireshark 3.2.x earlier than 3.2.18
Update to the latest version
Download Wireshark
Bluetooth DHT dissector large loop
Bluetooth DHT dissector crash
Bluetooth SDP dissector crash
IEEE 802.11 dissector crash
C12.22 dissector crash
Modbus dissector crash
PNRP dissector large loop
DoS
CVE-2021-399287.5Critical
CVE-2021-399247.5Critical
CVE-2021-399217.5Critical
CVE-2021-399227.5Critical
CVE-2021-399297.5Critical
CVE-2021-399257.5Critical
CVE-2021-399237.5Critical
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39921
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39922
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39923
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39924
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39925
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39928
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39929
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/product/Wireshark/
www.wireshark.org/download.html
www.wireshark.org/security/wnpa-sec-2021-07.html
www.wireshark.org/security/wnpa-sec-2021-09.html
www.wireshark.org/security/wnpa-sec-2021-10.html
www.wireshark.org/security/wnpa-sec-2021-11.html
www.wireshark.org/security/wnpa-sec-2021-12.html
www.wireshark.org/security/wnpa-sec-2021-13.html
www.wireshark.org/security/wnpa-sec-2021-14.html
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.1 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.017 Low
EPSS
Percentile
87.6%