CVE-2022-24682
MediumActively exploited (CISA KEV)Known to be used in ransomware campaigns
Description
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.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Synacor Zimbra Collaborate Suite (ZCS)
PublishedFeb 9, 2022
First seenFeb 9, 2022
Added to KEVFeb 25, 2022
Weakness typeCWE-116CWE-116
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Mar 11, 2022Update
- synacor zimbra_collaboration_suite8.8.15 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| synacor zimbra_collaboration_suite | 8.8.0 ≤ v < 8.8.15, 8.8.15 | 8.8.15 |
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