XSS in Synacor Zimbra Collaboration Suite
CVE-2024-45517
An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability in the /h/rest endpoint of the Zimbra webmail and admin panel interfaces allows attackers to execute arbitrary JavaScript in the victim's session. This issue is caused by improper sanitization of user input, leading to potential compromise of sensitive information. Exploitation requires user interaction to access the malicious URL.
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: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Synacor Zimbra Collaboration Suite — versions 8.8.15, 9.0.0, 10.1.1
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)
- wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41 (Release Notes)
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P46 (Release Notes)
Frequently asked questions
- What is CVE-2024-45517?
- CVE-2024-45517 is a medium-severity vulnerability in Synacor Zimbra Collaboration Suite, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2024-11-21.
- How severe is CVE-2024-45517?
- Medium severity. CVSS v3 base score is 5.4 out of 10.