An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A stored Cross-Site Scripting (XSS) vulnerability exists in the /modern/contacts/print endpoint of Zimbra webmail. This allows an attacker to inject and execute arbitrary JavaScript code in the context of the victim's browser when a crafted vCard (VCF) file is processed and printed. This could lead to unauthorized actions within the victim's session.
Conclusion & alert: CVE-2024-45513 is rated Low Risk (31.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.15%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-12 | 0.10% | 0.15% | +0.05% |
| 2 | 2025-11-21 | 0.31% | 0.10% | -0.21% |
| 3 | 2025-11-18 | — | 0.31% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 3.1 | MEDIUM |
|
1.7 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| synacor | zimbra_collaboration_suite | < 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | >= 10.0.0, < 10.0.9 | cpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:-:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p1:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p10:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p11:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p12:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p13:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p14:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p15:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p16:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p17:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p18:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p19:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p2:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p20:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p21:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p22:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p23:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p24:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p24.1:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p25:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p26:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p27:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p28:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p29:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p3:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p30:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p31:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p32:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p33:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p34:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p35:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p36:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p37:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p38:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p39:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p4:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p40:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p5:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p6:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p7:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p8:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 9.0.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p9:*:*:*:*:*:* |
| synacor | zimbra_collaboration_suite | 10.1.0 | cpe:2.3:a:synacor:zimbra_collaboration_suite:10.1.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://wiki.zimbra.com/wiki/Security_Center | Vendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.9#Security_Fixes | Release Notes |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/10.1.1#Security_Fixes | Release Notes |
| https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P41#Security_Fixes | Release Notes |
| https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy | Product |