CVE-2021-26857
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
- Microsoft Exchange Server Remote Code Execution Vulnerability
- vendorProject
- Microsoft
- product
- Exchange Server
- dateAdded
- 2021-11-03
- shortDescription
- Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain.
- requiredAction
- Apply updates per vendor instructions.
- dueDate
- 2022-05-03
- knownRansomwareCampaignUse
- Known
- forensicTriage
- No
- notes
- Reference CISA's ED 21-02 (https://www.cisa.gov/news-events/directives/ed-21-02-mitigate-microsoft-exchange-premises-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-02. https://nvd.nist.gov/vuln/detail/CVE-2021-26857
- cwes
- CWE-502
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)
CVE レコードはまだ取り込んでいません(CVE Program に未公開の場合は CVE 未公開)。
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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