{"cve":"CVE-2021-22191","nvd":{"published":"2021-03-15T18:15:17.863","modified":"2026-06-17T03:36:46.420","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-74"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json","https://gitlab.com/wireshark/wireshark/-/issues/17232","https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html","https://security.gentoo.org/glsa/202107-21","https://www.oracle.com/security-alerts/cpuApr2021.html"],"products":["debian:debian_linux","oracle:zfs_storage_appliance","wireshark:wireshark"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-22191","score":0.03655,"percentile":0.89615,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}