VulnerabilityModified
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.
HIGH 8.8EPSS 3.67%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 3.67% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- wireshark/wireshark · oracle/zfs storage appliance · debian/debian linux
- Source
- cve@gitlab.com
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17232Issue Tracking, Third 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.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2021-03.htmlVendor Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.jsonThird Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/17232Issue Tracking, Third 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.htmlPatch, Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2021-03.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.