CVE-2026-76504

KEV の登録内容

vulnerabilityName

Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability

vendorProject

Cisco

product

Catalyst SD-WAN Manager

dateAdded

2026-09-30

shortDescription

Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user due to improper handling of URI encoding in an HTTP request.

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

2026-10-03

knownRansomwareCampaignUse

Unknown

forensicTriage

Yes

notes

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-webauth-xr8beuuU ; ; 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-2026-76504

cwes

CWE-177

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

2026-09-30T13:04:32.095Z

dateUpdated

2026-10-01T03:55:35.195Z

CNA の affected

• Cisco Cisco Catalyst SD-WAN Manager (18.3.6; 18.3.7; 18.3.8; 17.2.10; 18.3.6.1; 18.2.0; 18.4.3; 18.4.1; 17.2.8; 18.3.3.1; 18.4.0; 18.3.1; 17.2.6; 17.2.9; 18.3.4; 17.2.5; 18.3.1.1; 18.3.5; 18.4.0.1; 18.3.3; 17.2.7; 17.2.4; 18.3.0)

外部のページ

• cve.org の CVE-2026-76504
• NVD の CVE-2026-76504