Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server 12.x, 13.x, and 14.x before 14.2, allows remote attackers to execute arbitrary code via vectors related to the x-wap-profile HTTP header.
Conclusion & alert: CVE-2010-4235 is rated High Risk (69.7/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 4.35%). 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 | 2025-05-06 | 5.59% | 4.35% | -1.24% |
| 2 | 2025-03-30 | 8.29% | 5.59% | -2.71% |
| 3 | 2025-03-29 | — | 8.29% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| realnetworks | helix_server | 12.0.0 | cpe:2.3:a:realnetworks:helix_server:12.0.0:*:*:*:*:*:*:* |
| realnetworks | helix_server | 12.0.1 | cpe:2.3:a:realnetworks:helix_server:12.0.1:*:*:*:*:*:*:* |
| realnetworks | helix_server | 13.0.0 | cpe:2.3:a:realnetworks:helix_server:13.0.0:*:*:*:*:*:*:* |
| realnetworks | helix_server | 13.1.1 | cpe:2.3:a:realnetworks:helix_server:13.1.1:*:*:*:*:*:*:* |
| realnetworks | helix_server | 14.0.0 | cpe:2.3:a:realnetworks:helix_server:14.0.0:*:*:*:*:*:*:* |
| realnetworks | helix_server | 14.0.1 | cpe:2.3:a:realnetworks:helix_server:14.0.1:*:*:*:*:*:*:* |
| realnetworks | helix_mobile_server | 12.0 | cpe:2.3:a:realnetworks:helix_mobile_server:12.0:*:*:*:*:*:*:* |
| realnetworks | helix_mobile_server | 13.1.1 | cpe:2.3:a:realnetworks:helix_mobile_server:13.1.1:*:*:*:*:*:*:* |
| realnetworks | helix_mobile_server | 14.0.0 | cpe:2.3:a:realnetworks:helix_mobile_server:14.0.0:*:*:*:*:*:*:* |
| realnetworks | helix_mobile_server | 14.0.1 | cpe:2.3:a:realnetworks:helix_mobile_server:14.0.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://docs.real.com/docs/security/SecurityUpdate033111HS.pdf | Vendor Advisory |
| http://www.securityfocus.com/bid/47110 |