XSS in Synacor Zimbra Collaboration Suite
CVE-2024-45511
An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to improper sanitization of file content by the OnlyOffice formatter. This occurs when the victim opens a crafted URL pointing to a shared folder containing a malicious file uploaded by the attacker. The vulnerability allows the attacker to execute arbitrary JavaScript in the context of the victim's session.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Synacor Zimbra Collaboration Suite — versions 10.1.0
Weakness classification (CWE)
References
- wiki.zimbra.com/wiki/Security_Center (Vendor Advisory)
- wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy (Product)
- wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1 (Release Notes)
- wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9 (Release Notes)
Frequently asked questions
- What is CVE-2024-45511?
- CVE-2024-45511 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-11-20.
- How severe is CVE-2024-45511?
- Medium severity. CVSS v3 base score is 5.4 out of 10.