CVE-2012-1809

The web server in the ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H4-ECOM, H4-ECOM-F, and H4-ECOM100 allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors.

Published: 2012-04-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-1809 is rated Moderate Risk (44.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.36%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1809

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 0.46% 1.36% +0.90%
2 2025-03-30 0.40% 0.46% +0.05%
3 2025-03-29 — 0.40% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1809

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2012-1809

Affected software / configurations for CVE-2012-1809

Vendor Product Version Raw CPE
koyo h0-ecom — cpe:2.3:a:koyo:h0-ecom:*:*:*:*:*:*:*:*
koyo h0-ecom100 — cpe:2.3:a:koyo:h0-ecom100:*:*:*:*:*:*:*:*
koyo h2-ecom — cpe:2.3:a:koyo:h2-ecom:*:*:*:*:*:*:*:*
koyo h2-ecom-f — cpe:2.3:a:koyo:h2-ecom-f:*:*:*:*:*:*:*:*
koyo h2-ecom100 — cpe:2.3:a:koyo:h2-ecom100:*:*:*:*:*:*:*:*
koyo h4-ecom — cpe:2.3:a:koyo:h4-ecom:*:*:*:*:*:*:*:*
koyo h4-ecom-f — cpe:2.3:a:koyo:h4-ecom-f:*:*:*:*:*:*:*:*
koyo h4-ecom100 — cpe:2.3:a:koyo:h4-ecom100:*:*:*:*:*:*:*:*

References for CVE-2012-1809

cvelogic Threat Intelligence