High severity · published Mar 15, 2021
CVE-2021-22191
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
8.8
CVSS
3.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.7% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
WI
Wireshark · Wireshark
3.2.0 through 3.2.11; 3.4.0 through 3.4.3 · source: NVD
ZS
Zfs Storage Appliance · Oracle
8.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22191
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22191
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json
Issue Tracking
https://gitlab.com/wireshark/wireshark/-/issues/17232
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html
Third Party Advisory
https://security.gentoo.org/glsa/202107-21
Patch
https://www.oracle.com/security-alerts/cpuApr2021.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2021-03.html
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