Home/CVE/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 i
CVE

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 i

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 packet injection or crafted capture file.

MEDIUM · CVSS 6.3 EPSS 0.00272
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
▤

Affected Products & Versions

4
wireshark>= 3.2.0 and <= 3.2.11
wireshark>= 3.4.0 and <= 3.4.3
oracle zfs storage applianceall versions
debian linuxall versions
▣

Scoring & Timeline

6.3
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Mar 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:11513-1
suse-csafopenSUSE-SU-2021:2125-1
suse-csafopenSUSE-SU-2021:0909-1
suse-csafSUSE-SU-2021:2125-1
oracle-cpuoracle-cpu-Oracle-ZFS-Storage-Appliance-Kit-10026--CVE-2021-22191
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.jsonThird Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17232Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00041.htmlThird Party Advisory
https://security.gentoo.org/glsa/202107-21Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-03.htmlVendor Advisory
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