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    APT group Winter Vivern exploits Zimbra webmail flaw to target government entities

    • Threat Actors
    • March 31, 2023
    • CSO Online
    An APT group known in the security industry as Winter Vivern has been exploiting a vulnerability in the Zimbra Collaboration software to gain access to mailboxes from government agencies in several European countries.
    Read More
    • Winter Vivern
    • Zimbra Collaboration Suite
    • CVE-2022-27926
    • TA473
    • Reflected XSS Vulnerability
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