Quest DR Series Disk Backup software version before 4.0.3.1 allows privilege escalation (issue 6 of 6).
Conclusion & alert: CVE-2018-11194 is rated Moderate Risk (62.6/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.96%). Mandatory action: Review affected assets and schedule 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 | 2026-03-30 | 0.32% | 0.96% | +0.64% |
| 2 | 2025-11-21 | 1.01% | 0.32% | -0.69% |
| 3 | 2025-11-18 | — | 1.01% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| quest | disk_backup | < 4.0.3.1 | cpe:2.3:a:quest:disk_backup:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/148003/Quest-DR-Series-Disk-Backup-Software-4.0.3-Code-Execution.html | Third Party Advisory VDB Entry |
| http://seclists.org/fulldisclosure/2018/May/71 | Mailing List Third Party Advisory |
| https://www.coresecurity.com/advisories/quest-dr-series-disk-backup-multiple-vulnerabilities | Third Party Advisory |