Winter Vivern APT targets EU with Zimbra flaw

2023-04-0510:09:54

HiveForce Labs

www.hivepro.com

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

JSON

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Winter Vivern abuses CVE-2022-27926 to attack public Zimbra webmail portals of government entities. To receive real-time threat advisories, please follow HiveForce Labs on LinkedIn.