Lockbox in EMC Documentum D2 before 4.5 uses a hardcoded passphrase when a server lacks a D2.Lockbox file, which makes it easier for remote authenticated users to decrypt admin tickets by locating this passphrase in a decompiled D2 JAR archive.
Conclusion & alert: CVE-2015-4537 is rated Low Risk (37.5/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.21%). Core evidence: EPSS rose +1.03% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 0.18% | 1.21% | +1.03% |
| 2 | 2025-06-14 | 0.28% | 0.18% | -0.11% |
| 3 | 2025-03-17 | — | 0.28% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| emc | documentum_d2 | <= 4.4 | cpe:2.3:a:emc:documentum_d2:*:*:*:*:*:*:*:* |