In OpenSSH 7.9, scp.c in the scp client allows remote SSH servers to bypass intended access restrictions via the filename of . or an empty filename. The impact is modifying the permissions of the target directory on the client side.
総合評価: CVE-2018-20685 は中リスク（52.4/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.68%、88 パーセンタイル） 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 | 3.38% | 3.68% | +0.30% |
| 2 | 2026-03-04 | 2.07% | 3.38% | +1.31% |
| 3 | 2026-03-01 | — | 2.07% | — |
EPSS の全履歴 （全 48 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 |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
1.6 | 3.6 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
1.6 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2018-20685: 2 source package rows (dropbear, openssh); 35 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 20, open 15. | https://security.alpinelinux.org/vuln/CVE-2018-20685 |
debian
|
not yet assigned | CVE-2018-20685 not yet assigned priority: Debian including 1 source packages (openssh), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-20685 |
gentoo
|
normal | CVE-2018-20685: 2 GLSA(s) (201903-16, 202007-53), 2 atom(s) (net-misc/dropbear, net-misc/openssh); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-20685 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-20685 |
suse
|
medium | CVE-2018-20685 severity moderate: SUSE including 368 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 511 product×package rows across 69 product lines (SUSE CaaS Platform 3.0, SUSE CaaS Platform 4.5, … (69 product lines)): Fixed 292, Known Affected 157, Known Not Affected 62. | https://www.suse.com/security/cve/CVE-2018-20685/ |
ubuntu
|
medium | CVE-2018-20685 medium priority: Ubuntu including 2 source packages (openssh, openssh-ssh1), 34 status rows across 17 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, trusty, upstream, xenial): released 17, ignored 15, DNE 2. | https://ubuntu.com/security/CVE-2018-20685 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| openbsd | openssh | <= 7.9 | cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:* |
| winscp | winscp | <= 5.13 | cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:* |
| netapp | cloud_backup | — | cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:* |
| netapp | element_software | — | cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:* |
| netapp | ontap_select_deploy | — | cpe:2.3:a:netapp:ontap_select_deploy:-:*:*:*:*:*:*:* |
| netapp | steelstore_cloud_integrated_storage | — | cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* |
| netapp | storage_automation_store | — | cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 7.0 | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.1 | cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_aus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.2 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.4 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server_tus | 8.6 | cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* |
| oracle | solaris | 10 | cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* |
| fujitsu | m10-1_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m10-4_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m10-4s_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-1_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-2_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-2s_firmware | < xcp2361 | cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m10-1_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m10-4_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m10-4s_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-1_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-2_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:* |
| fujitsu | m12-2s_firmware | < xcp3070 | cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:* |
| siemens | scalance_x204rna_firmware | < 3.2.7 | cpe:2.3:o:siemens:scalance_x204rna_firmware:*:*:*:*:*:*:*:* |
| siemens | scalance_x204rna_eec_firmware | < 3.2.7 | cpe:2.3:o:siemens:scalance_x204rna_eec_firmware:*:*:*:*:*:*:*:* |