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
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
0.001 Low
EPSS
Percentile
47.8%
Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to
3.2.17 allows denial of service via packet injection or crafted capture
file
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
gitlab.com/wireshark/wireshark/-/issues/17705
launchpad.net/bugs/cve/CVE-2021-39923
nvd.nist.gov/vuln/detail/CVE-2021-39923
security-tracker.debian.org/tracker/CVE-2021-39923
www.cve.org/CVERecord?id=CVE-2021-39923
www.wireshark.org/security/wnpa-sec-2021-15.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
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
0.001 Low
EPSS
Percentile
47.8%