Potential vulnerabilities have been identified in Micro Focus ArcSight Enterprise Security Manager, affecting versions 7.4.x and 7.5.x. The vulnerabilities could be remotely exploited resulting in Cross-Site Scripting (XSS).
Conclusion & alert: CVE-2021-38127 is rated Low Risk (39.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.57%). 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 | 0.23% | 0.57% | +0.34% |
| 2 | 2025-03-18 | 0.31% | 0.23% | -0.08% |
| 3 | 2025-03-17 | — | 0.31% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microfocus | arcsight_enterprise_security_manager | 7.4 | cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:7.4:*:*:*:*:*:*:* |
| microfocus | arcsight_enterprise_security_manager | 7.5 | cpe:2.3:a:microfocus:arcsight_enterprise_security_manager:7.5:*:*:*:*:*:*:* |