CVE-2026-20182

KEV の『悪用』には未遂(脆弱でない環境やハニーポットでの試行)が含まれ、特定の組織が侵害されたことを意味しない。

KEV の登録内容

vulnerabilityName: Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
vendorProject: Cisco
product: Catalyst SD-WAN
dateAdded: 2026-05-14
shortDescription: Cisco Catalyst SD-WAN Controller & Manager contain an authentication bypass vulnerability that allows an unauthenticated, remote attacker to bypass authentication and obtain administrative privileges on an affected system.
requiredAction: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlined 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.
dueDate: 2026-05-17
knownRansomwareCampaignUse: Unknown
forensicTriage: No
notes: CISA Mitigation Instructions: https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems ; https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems ; https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW ; https://nvd.nist.gov/vuln/detail/CVE-2026-20182
cwes: CWE-287

初めて観測: 2026-10-02T21:06:48Z / 最後に観測: 2026-10-02T21:06:48Z(last_observed_at。値の変更を最後に確認した時刻)

観測した変更

取り込み開始以降、KEV の値の変更は観測していません。

CVE レコード(CVE Program)

state: PUBLISHED
datePublished: 2026-05-14T16:08:25.566Z
dateUpdated: 2026-06-16T17:57:59.048Z

CNA の affected

Cisco Cisco Catalyst SD-WAN Controller (20.6.4; 20.9.2; 20.3.6; 20.7.2; 20.7.1; 20.5.1; 20.6.2; 19.3.0; 20.6.1; 17.2.4; 18.2.0; 18.4.6; 19.1.0; 19.2.4; 19.2.929; 18.3.8; 18.4.303; 18.3.7; 18.4.1; 19.2.097; 19.2.0; 19.2.099; 18.3.6; 20.4.2; 19.0.0; 20.9.1; 20.3.5; 20.3.1; 18.3.5; 20.6.3; 18.4.3; 18.4.4; 18.3.3; 17.2.8; 20.8.1; 19.2.32; 19.2.2; 17.2.5; 18.4.0; 20.4.1.1; 20.1.3; 20.1.2; 17.2.10; 19.2.098; 20.1.1; 17.2.6; 19.2.1; 18.3.4; 20.4.1; 17.2.9; 19.2.31; 19.0.1a; 18.3.0; 17.2.7; 18.4.5; 20.3.4; 20.3.3; 20.4.1.2; 20.3.2; 18.3.1; 20.1.12; 19.2.3; 20.10.1; 20.6.5; 20.3.7; 20.9.3; 20.11.1; 20.6.3.2; 20.4.2.3; 20.3.5.1; 20.3.4.3; 20.9.3.1; 20.6.4.1; 20.3.3.2; 20.6.5.2; 20.3.7.1; 20.11.1.1; 20.10.1.1; 20.6.1.2; 20.1.3.1; 20.9.2.2; 20.6.5.3; 20.6.3.3; 20.3.7.2; 20.6.5.4; 20.9.2.3; 20.9.4; 20.12.1; 20.3.8; 20.6.6; 20.12.2; 20.13.1; 20.9.5; 20.12.3; 20.6.7; 20.9.5.1; 20.14.1; 20.12.3.1; 20.12.4; 20.15.1; 20.9.6; 20.6.8; 20.16.1; 20.9.5.3; 20.12.4.1; 20.15.2; 20.12.5; 20.9.7; 20.15.3; 20.12.5.1; 20.12.5.2; 20.15.4; 20.9.7.1; 20.12.6; 20.9.8; 20.15.4.1; 20.15.4.2; 20.12.5.3; 20.12.6.1; 20.9.8.2; 20.15.5; 20.12.7; 20.9.9; 20.15.5.1; 20.15.4.3; 20.15.4.5; 20.15.5.3; 20.12.7.2; 20.9.9.2)
Cisco Cisco Catalyst SD-WAN Manager (20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.2.099; 18.3.6; 18.3.7; 19.2.0; 19.1.0; 18.4.303; 19.2.098; 18.3.6.1; 18.2.0; 17.2.8; 18.3.3.1; 18.4.0; 18.3.1; 17.2.6; 17.2.9; 17.2.5; 18.4.0.1; 18.3.3; 18.3.0; 19.2.3; 18.4.501_ES; 20.1.2; 19.2.929; 19.2.31; 20.3.2; 19.2.4; 19.2.4.0.9; 20.1.3.1)

外部のページ

出典: CISA Known Exploited Vulnerabilities Catalog(CISA KEV。CC0 1.0)。詳しくは出典表記とライセンス。

出典: CVE Program(CVE レコード)。詳しくは出典表記とライセンス。

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