An arbitrary command injection vulnerability in the Cluster Server component of Veritas InfoScale allows an unauthenticated remote attacker to execute arbitrary commands as root or administrator. These Veritas products are affected: Access 7.4.2 and earlier, Access Appliance 7.4.2 and earlier, Flex Appliance 1.2 and earlier, InfoScale 7.3.1 and earlier, InfoScale between 7.4.0 and 7.4.1, Veritas Cluster Server (VCS) 6.2.1 and earlier on Linux/UNIX, Veritas Cluster Server (VCS) 6.1 and earlier on Windows, Storage Foundation HA (SFHA) 6.2.1 and earlier on Linux/UNIX, and Storage Foundation HA (SFHA) 6.1 and earlier on Windows.
Conclusion & alert: CVE-2019-18780 is rated High Risk (69.2/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 5.01%). 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 | 2026-05-03 | 6.40% | 5.01% | -1.39% |
| 2 | 2025-11-21 | 17.39% | 6.40% | -10.99% |
| 3 | 2025-11-18 | — | 17.39% | — |
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] |
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| veritas | access | <= 7.4.2 | cpe:2.3:a:veritas:access:*:*:*:*:*:*:*:* |
| veritas | access_appliance | <= 7.4.2 | cpe:2.3:a:veritas:access_appliance:*:*:*:*:*:*:*:* |
| veritas | flex_appliance | <= 1.2 | cpe:2.3:a:veritas:flex_appliance:*:*:*:*:*:*:*:* |
| veritas | infoscale | <= 7.3.1 | cpe:2.3:a:veritas:infoscale:*:*:*:*:*:*:*:* |
| veritas | infoscale | >= 7.4.0, <= 7.4.1 | cpe:2.3:a:veritas:infoscale:*:*:*:*:*:*:*:* |
| veritas | cluster_server | <= 6.1 | cpe:2.3:a:veritas:cluster_server:*:*:*:*:*:*:*:* |
| veritas | storage_foundation_ha | <= 6.1 | cpe:2.3:a:veritas:storage_foundation_ha:*:*:*:*:*:*:*:* |
| veritas | cluster_server | <= 6.2.1 | cpe:2.3:a:veritas:cluster_server:*:*:*:*:*:*:*:* |
| veritas | storage_foundation_ha | <= 6.2.1 | cpe:2.3:a:veritas:storage_foundation_ha:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.veritas.com/content/support/en_US/security/VTS19-003 | Patch Vendor Advisory |
| https://www.veritas.com/content/support/en_US/security/VTS19-004 | Patch Vendor Advisory |
| https://www.veritas.com/content/support/en_US/security/VTS19-005 | Patch Vendor Advisory |
| https://www.veritas.com/content/support/en_US/security/VTS19-006 | Patch Vendor Advisory |