The Remote Filtering component in Websense Web Security and Web Filter before 6.3.3 Hotfix 18 and 7.x before 7.1.1 allows remote attackers to cause a denial of service (daemon exit) via a large volume of traffic.
Conclusion & alert: CVE-2010-5147 is rated Moderate Risk (43.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.22%). 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 | 2026-06-15 | 0.44% | 1.22% | +0.78% |
| 2 | 2025-03-30 | 0.48% | 0.44% | -0.04% |
| 3 | 2025-03-29 | — | 0.48% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| websense | websense_web_security | <= 6.3.3 | cpe:2.3:a:websense:websense_web_security:*:*:*:*:*:*:*:* |
| websense | websense_web_security | 6.3.0 | cpe:2.3:a:websense:websense_web_security:6.3.0:*:*:*:*:*:*:* |
| websense | websense_web_security | 6.3.1 | cpe:2.3:a:websense:websense_web_security:6.3.1:*:*:*:*:*:*:* |
| websense | websense_web_security | 6.3.2 | cpe:2.3:a:websense:websense_web_security:6.3.2:*:*:*:*:*:*:* |
| websense | websense_web_security | 7.0 | cpe:2.3:a:websense:websense_web_security:7.0:*:*:*:*:*:*:* |
| websense | websense_web_security | 7.1 | cpe:2.3:a:websense:websense_web_security:7.1:*:*:*:*:*:*:* |
| websense | websense_web_filter | <= 6.3.3 | cpe:2.3:a:websense:websense_web_filter:*:*:*:*:*:*:*:* |
| websense | websense_web_filter | 6.3.0 | cpe:2.3:a:websense:websense_web_filter:6.3.0:*:*:*:*:*:*:* |
| websense | websense_web_filter | 6.3.1 | cpe:2.3:a:websense:websense_web_filter:6.3.1:*:*:*:*:*:*:* |
| websense | websense_web_filter | 6.3.2 | cpe:2.3:a:websense:websense_web_filter:6.3.2:*:*:*:*:*:*:* |
| websense | websense_web_filter | 7.0 | cpe:2.3:a:websense:websense_web_filter:7.0:*:*:*:*:*:*:* |
| websense | websense_web_filter | 7.1 | cpe:2.3:a:websense:websense_web_filter:7.1:*:*:*:*:*:*:* |