CVE-2026-73570
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
- Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
- vendorProject
- Synacor
- product
- Zimbra Collaboration Suite (ZCS)
- dateAdded
- 2026-08-21
- shortDescription
- Zimbra Collaboration Suite (ZCS) contains an OS command injection vulnerability which could allow an unauthenticated attacker to send specially crafted SMTP requests that may result in execution of arbitrary operating system commands as the Zimbra user.
- 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
- 2026-08-24
- knownRansomwareCampaignUse
- Unknown
- forensicTriage
- Yes
- notes
- https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories ; https://blog.zimbra.com/2026/07/patch-release-update-zimbra-10-1-20/ ; 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-2026-73570
- cwes
- CWE-78
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
- dateUpdated
CNA の affected
- Zimbra Collaboration
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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