Multiple buffer overflows in 7-Technologies (7T) Interactive Graphical SCADA System (IGSS) 9.0.0.11355 and earlier allow remote attackers to execute arbitrary code or cause a denial of service via a crafted packet to TCP port (1) 12397 or (2) 12399.
Conclusion & alert: CVE-2011-4537 is rated High Risk (68.4/100): CVSS High severity, with high exploitation likelihood (EPSS 20.17%, 95th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +17.81% over the last day, indicating growing attacker interest. 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 | 2026-02-13 | 2.35% | 20.17% | +17.81% |
| 2 | 2025-11-17 | 3.18% | 2.35% | -0.83% |
| 3 | 2025-03-30 | — | 3.18% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| URL | Tags |
|---|---|
| http://www.osvdb.org/77977 | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-11-355-01-7.pdf | Patch US Government Resource |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/71931 |