CVE-2026-20133（cisco catalyst sd-wan manager）の深刻度・悪用状況・対象バージョン
7.5 重要（CVSS 3.x） 悪用確認済み（CISA KEV） EPSS 取得中…
概要
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
実際の攻撃で悪用されています。 CISA KEV への追加日: 2026-04-20。対象製品を使っている場合は最優先で対策してください。
CISA の要求対応: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
CISA の要求対応: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
影響を受ける製品
| ベンダー | 製品 | 対象バージョン |
|---|---|---|
| cisco | catalyst_sd-wan_manager | < 20.9.8.2 |
| cisco | catalyst_sd-wan_manager | ≥ 20.10 かつ < 20.12.5.3 |
| cisco | catalyst_sd-wan_manager | ≥ 20.13 かつ < 20.15.4.2 |
| cisco | catalyst_sd-wan_manager | ≥ 20.16 かつ < 20.18.2.1 |
| cisco | catalyst_sd-wan_manager | 20.12.6 |
基本情報
- 公開日
- 2026-02-25
- 最終更新
- 2026-06-17
- NVD の状態
- Analyzed
- 弱点の種類
- CWE-200
対策の進め方
- 上の表で、使っている製品とバージョンが対象か確認します。
- ベンダーの公式アドバイザリ（下の参考情報の「Vendor Advisory」「Patch」）で修正版・回避策を確認します。
- 悪用が確認されているため、パッチ適用までの間もアクセス制限・侵害の痕跡確認を検討します。
- 日本語の情報は JVN iPedia で CVE-2026-20133 を検索 できます。
参考情報
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133 US Government Resource
- NVD: CVE-2026-20133
- CVE.org: CVE-2026-20133
データ出典: NIST NVD、CISA KEV、FIRST EPSS。翻訳は参考情報で、正確性は原文を優先してください。