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CVE-2022-24682 Design/Logic Flaw

Immediate
Remediate Within 48 Hours

CVE Information

Original CVE data

Published:
Updated:

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.

CWE: CWE-116
CVSS v24.3
AV:N/AC:M/AU:N/C:N/I:P/A:N
CVSS v36.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
References
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
https://www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-xss-vulnerability-in-zimbra/
https://wiki.zimbra.com/wiki/Security_Center
https://blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-zimbra-8-8-15/
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30
Affected Vendors

Zimbra - (1)

Basic Analysis

Common vulnerability metrics

Vulnerabilty type as detected by PRIOnengine

Design/Logic Flaw

CVSS Scores as calculated by PRIOnengine
CVSS v24.3
AV:N/AC:M/AU:N/C:N/I:P/A:N
CVSS v36.1
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
MITRE CWE Top 25

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Exploits

Exploits are available either through exploit packs, Github repos or the world wide web in general.

Active Exploitation

Vulnerability is referenced under CISA's Known Exploited Vulnerabilities (KEV) catalog. See the KEV Catalog

Social Network Activity

Vulnerability is mentioned or trending in social media.

Threat Actor Activity

Vulnerability is being actively exploited by threat actors during campaigns.

Cybersecurity Frameworks

How the vulnerability maps against various cybersecurity frameworks

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Compliance Impact

How the submited vulnerability affects compliance

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Web Application Security Frameworks

Applicable if the issue likely affects a web application

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