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.
総合評価: CVE-2021-22191 は中リスク(59.4/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 3.64%、88 パーセンタイル) 根拠: 直近 1 日で EPSS が +3.37% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.27% | 3.64% | +3.37% |
| 2 | 2026-02-15 | 0.50% | 0.27% | -0.23% |
| 3 | 2025-12-28 | — | 0.50% | — |
EPSS の全履歴 (全 29 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 6.3 | 3.1 | MEDIUM |
|
2.8 | 3.4 | [email protected] |
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2021-22191: 1 source package rows (wireshark); 27 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 20. | https://security.alpinelinux.org/vuln/CVE-2021-22191 |
debian
|
not yet assigned | CVE-2021-22191 not yet assigned priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2021-22191 |
gentoo
|
normal | CVE-2021-22191: 1 GLSA(s) (202107-21), 1 atom(s) (net-analyzer/wireshark); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-22191 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-22191 |
suse
|
high | CVE-2021-22191 severity important: SUSE including 86 source package names (libQt5Multimedia5-5.9.7-7.2.1, libqt5-qtmultimedia-devel-5.9.7-7.2.1, …), 493 product×package rows across 73 product lines (HPE Helion OpenStack 8, Image SLES15-SP3-SAP-Azure-LI-BYOS-Production, … (73 product lines)): Fixed 390, Known Not Affected 103. | https://www.suse.com/security/cve/CVE-2021-22191/ |
ubuntu
|
medium | CVE-2021-22191 medium priority: Ubuntu including 1 source packages (wireshark), 16 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 10, needs-triage 4, ignored 1, released 1. | https://ubuntu.com/security/CVE-2021-22191 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| wireshark | wireshark | >= 3.2.0, <= 3.2.11 | cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* |
| wireshark | wireshark | >= 3.4.0, <= 3.4.3 | cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* |
| oracle | zfs_storage_appliance | 8.8 | cpe:2.3:o:oracle:zfs_storage_appliance:8.8:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22191.json | Third Party Advisory |
| https://gitlab.com/wireshark/wireshark/-/issues/17232 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/03/msg00041.html | Third Party Advisory |
| https://security.gentoo.org/glsa/202107-21 | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuApr2021.html | Patch Third Party Advisory |
| https://www.wireshark.org/security/wnpa-sec-2021-03.html | Vendor Advisory |