CVE-2026-20079

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 Firewall Management Center Authentication Bypass Using an Alternate Path or Channel Vulnerability
vendorProject: Cisco
product: Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management
dateAdded: 2026-09-09
shortDescription: Cisco Secure Firewall Management Center (FMC) Software and Cisco Security Cloud Control (SCC) Firewall Management contain an authentication Bypass using an alternate path or channel vulnerability that could allow an unauthenticated, remote attacker to bypass authentication and execute script files on an affected device to obtain root access to the underlying operating system.
requiredAction: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
dueDate: 2026-09-12
knownRansomwareCampaignUse: Unknown
forensicTriage: Yes
notes: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-20079
cwes: CWE-288

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: 2026-03-04T17:17:35.838Z
dateUpdated: 2026-09-16T20:08:37.499Z

CNA の affected

Cisco Cisco Secure Firewall Management Center (FMC) (7.0.0; 7.0.0.1; 7.0.1; 7.1.0; 7.0.1.1; 7.1.0.1; 7.0.2; 7.2.0; 7.0.2.1; 7.0.3; 7.1.0.2; 7.2.0.1; 7.0.4; 7.2.1; 7.0.5; 7.3.0; 7.2.2; 7.3.1; 7.2.3; 7.1.0.3; 7.2.3.1; 7.2.4; 7.0.6; 7.2.4.1; 7.2.5; 7.3.1.1; 7.4.0; 7.0.6.1; 7.2.5.1; 7.4.1; 7.2.6; 7.4.1.1; 7.0.6.2; 7.2.7; 7.2.5.2; 7.3.1.2; 7.2.8; 7.6.0; 7.4.2; 7.2.8.1; 7.0.6.3; 7.4.2.1; 7.2.9; 7.0.7; 7.7.0; 7.4.2.2; 7.2.10; 7.6.1; 7.4.2.3; 7.0.8; 7.6.2; 7.7.10; 7.2.10.1; 7.0.8.1; 7.6.2.1; 7.2.10.2; 7.7.10.1; 7.4.2.4; 7.4.3; 7.6.3; 7.7.11; 7.6.4; 10.0.0; 7.4.4; 7.4.5; 7.0.9; 7.2.11; 7.7.12; 7.6.5; 7.4.6; 10.0.1; 7.4.7)

KEV と CNA で製品の表記が異なる。KEV の vendorProject・product と CNA の affected が、大文字小文字を無視した包含で一致しなかった(機械的な照合で、どちらが正しいかは判定していない)。

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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