Cross-site scripting (XSS) vulnerability in Control Microsystems ClearSCADA 2005, 2007, and 2009 before R2.3 and R1.4, as used in SCX before 67 R4.5 and 68 R3.9, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Conclusion & alert: CVE-2011-3144 is rated Moderate Risk (40.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.54%). 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 | 2025-12-03 | 0.69% | 0.54% | -0.15% |
| 2 | 2025-11-07 | 0.62% | 0.69% | +0.07% |
| 3 | 2025-07-07 | — | 0.62% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| aveva | clearscada | 2005 | cpe:2.3:a:aveva:clearscada:2005:*:*:*:*:*:*:* |
| aveva | clearscada | 2007 | cpe:2.3:a:aveva:clearscada:2007:*:*:*:*:*:*:* |
| aveva | clearscada | 2009 | cpe:2.3:a:aveva:clearscada:2009:*:*:*:*:*:*:* |
| schneider-electric | scx_67 | < r4.5 | cpe:2.3:a:schneider-electric:scx_67:*:*:*:*:*:*:*:* |
| schneider-electric | scx_68 | < r3.9 | cpe:2.3:a:schneider-electric:scx_68:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/44955 | Third Party Advisory |
| http://www.digitalbond.com/scadapedia/vulnerability-notes/control-microsystems-cross-site-scripting-vulnerability/ | Third Party Advisory |
| http://www.osvdb.org/72987 | Broken Link |
| http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01.pdf | Patch Third Party Advisory US Government Resource |
| http://www.us-cert.gov/control_systems/pdf/ICSA-10-314-01A.pdf | Patch Third Party Advisory US Government Resource |