GHSA-49rv-g7w5-m8xx · 深刻度： medium · エコシステム： npm — Cross-Site Scripting in @novnc/novnc
An XSS vulnerability was discovered in noVNC before 0.6.2 in which the remote VNC server could inject arbitrary HTML into the noVNC web page via the messages propagated to the status field, such as the VNC server name.
総合評価: CVE-2017-18635 は悪用リスクが高い（69.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 4.81%、91 パーセンタイル） 根拠: 公開エクスプロイトが 1 件参照されています（Exploit-DB）。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 6.49% | 4.81% | -1.68% |
| 2 | 2026-05-29 | 8.31% | 6.49% | -1.81% |
| 3 | 2026-05-26 | — | 8.31% | — |
EPSS の全履歴 （全 58 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 |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-49rv-g7w5-m8xx · 深刻度： medium · エコシステム： npm — Cross-Site Scripting in @novnc/novnc
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2017-18635 not yet assigned priority: Debian including 1 source packages (novnc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2017-18635 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2017-18635 |
suse
|
medium | CVE-2017-18635 severity moderate: SUSE including 1 source package names (novnc), 9 product×package rows across 9 product lines (HPE Helion OpenStack 8, HPE Helion OpenStack Cloud 8, … (9 product lines)): Known Not Affected 9. | https://www.suse.com/security/cve/CVE-2017-18635/ |
ubuntu
|
medium | CVE-2017-18635 medium priority: Ubuntu including 1 source packages (novnc), 18 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, DNE 1, needed 1, needs-triage 1, released 1. | https://ubuntu.com/security/CVE-2017-18635 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| novnc | novnc | < 0.6.2 | cpe:2.3:a:novnc:novnc:*:*:*:*:*:*:*:* |
| 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 | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| redhat | openstack | 13 | cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2020:0754 | Third Party Advisory |
| https://bugs.launchpad.net/horizon/+bug/1656435 | Issue Tracking Third Party Advisory |
| https://github.com/ShielderSec/cve-2017-18635 | Third Party Advisory |
| https://github.com/novnc/noVNC/commit/6048299a138e078aed210f163111698c8c526a13#diff-286f7dc7b881e942e97cd50c10898f03L534 | Patch Third Party Advisory |
| https://github.com/novnc/noVNC/issues/748 | Patch Third Party Advisory |
| https://github.com/novnc/noVNC/releases/tag/v0.6.2 | Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/10/msg00004.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00024.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/4522-1/ | Third Party Advisory |
| https://www.shielder.it/blog/exploiting-an-old-novnc-xss-cve-2017-18635-in-openstack/ | Exploit Third Party Advisory |