An issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute arbitrary code via the sfdc_preauth.jsp component.
Conclusion & alert: CVE-2023-29382 is rated High Risk (65.1/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.77%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
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 | 2026-03-31 | 0.58% | 0.77% | +0.19% |
| 2 | 2025-12-31 | 0.78% | 0.58% | -0.20% |
| 3 | 2025-12-18 | — | 0.78% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:-:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p1:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p10:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p11:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p12:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p13:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p14:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p15:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p16:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p17:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p18:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p19:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p2:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p20:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p21:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p22:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p23:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p24:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p25:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p26:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p27:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p28:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p29:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p3:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p30:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p31:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p32:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p33:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p34:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p35:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p37:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p4:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p5:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p6:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p7:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p8:*:*:*:*:*:* |
| zimbra | collaboration | 8.8.15 | cpe:2.3:a:zimbra:collaboration:8.8.15:p9:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:*:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p0:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p1:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p10:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p11:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p12:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p13:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p14:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p15:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p16:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p19:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p2:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p20:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p21:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p23:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p24:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p24.1:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p25:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p26:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p27:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p3:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p4:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p5:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p6:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p7:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p7.1:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p8:*:*:*:*:*:* |
| zimbra | collaboration | 9.0.0 | cpe:2.3:a:zimbra:collaboration:9.0.0:p9:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://wiki.zimbra.com/wiki/Security_Center | Release Notes Vendor Advisory |
| https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy | Not Applicable |