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CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065

  • 1.  CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065

    Posted 03-05-2021 06:00
    Wondering if these are already covered for WAF on prem

    CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065: Four Zero-Day Vulnerabilities in Microsoft Exchange Server


    #On-PremisesWAF(formerlySecuresphere)

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    Malik Tayyem
    Engineer
    Transunion
    Chicago IL
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  • 2.  RE: CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, CVE-2021-27065

    Imperva Employee
    Posted 03-05-2021 06:49
    Hi Malik,

    We have manual mitigation steps for CVE-2021-26855 available in this blog post: CVE-2021-26855 Manual Mitigation. I'll update on the other 3 when I have additional information. 

    Thanks,




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    Patrick Mccrudden
    Customer Success Manager
    Imperva
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