■ BLACK OCTOBER

CVE-2026-111357

Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability

HIGH / 高● 悪用確認済み(CISA KEV)

Ivanti Connect Secure contains a missing authentication for critical function vulnerability that could allow a local authenticated attacker to escalate their privileges. This vulnerability can be chained with CVE-2026-104935 and CVE-2026-118527.

影響製品・バージョン

  • ivanti connect secure >= 25.1.0.0, < 25.1.1.3
  • ivanti connect secure 22.8

修正バージョン

  • 25.1.1.3

対応策

  • 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.

参考資料

  1. Known Exploited Vulnerabilities Catalog
    CISA公開日: 不明公的機関一次情報取得日: 2026-10-31

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