On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.
総合評価: CVE-2022-20770 は高リスク（67.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 6.59%、93 パーセンタイル） 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 2026-06-28 | 6.18% | 6.59% | +0.41% |
| 2 | 2026-06-15 | 0.89% | 6.18% | +5.30% |
| 3 | 2026-03-28 | — | 0.89% | — |
EPSS の全履歴 （全 53 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 |
|---|---|---|---|---|---|---|
| 8.6 | 3.1 | HIGH |
|
3.9 | 4.0 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2022-20770: 1 source package rows (clamav); 26 state rows across 3 repos (3.12-main, 3.22-community, edge-community); fixed 1, open 25. | https://security.alpinelinux.org/vuln/CVE-2022-20770 |
debian
|
not yet assigned | CVE-2022-20770 not yet assigned priority: Debian including 1 source packages (clamav), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-20770 |
gentoo
|
normal | CVE-2022-20770: 1 GLSA(s) (202310-01), 1 atom(s) (app-antivirus/clamav); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-20770 |
suse
|
medium | CVE-2022-20770 severity moderate: SUSE including 31 source package names (clamav-0.103.11-150600.16.7, clamav-0.103.6-0.20.47.1, …), 54 product×package rows across 16 product lines (Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, Image SLES12-SP5-SAP-Azure-VLI-BYOS-Production, … (16 product lines)): Fixed 54. | https://www.suse.com/security/cve/CVE-2022-20770/ |
ubuntu
|
low | CVE-2022-20770 low priority: Ubuntu including 1 source packages (clamav), 8 status rows across 8 suites (bionic, focal, impish, jammy, kinetic, trusty, upstream, xenial): released 8. | https://ubuntu.com/security/CVE-2022-20770 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| clamav | clamav | <= 0.103.5 | cpe:2.3:a:clamav:clamav:*:*:*:*:lts:*:*:* |
| clamav | clamav | >= 0.104.0, <= 0.104.2 | cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* |
| cisco | secure_endpoint | < 1.16.3 | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* |
| cisco | secure_endpoint | < 1.17.2 | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* |
| cisco | secure_endpoint | < 7.5.5 | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* |
| cisco | secure_endpoint | >= 1.18.0, < 1.18.2 | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* |
| cisco | secure_endpoint | >= 1.18.0, < 1.18.2 | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| fedoraproject | fedora | 35 | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
| fedoraproject | fedora | 36 | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |