CVE-2022-24682: Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
Medium · CVSS 6.1 (CVSS 3.1)KEV known exploitedEPSS 30.9%, 98th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Synacor: Zimbra Collaborate Suite (ZCS)
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- blog.zimbra.com/2022/02/hotfix-available-5-feb-for-zero-day-exploit-vulnerability-in-… (opens in new tab)
- wiki.zimbra.com/wiki/Security_Center (opens in new tab)
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P30 (opens in new tab)
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (opens in new tab)
- www.volexity.com/blog/2022/02/03/operation-emailthief-active-exploitation-of-zero-day-… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)