How severe is CVE-2012-1809?

CVE-2012-1809 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-1809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1809?

CVE-2012-1809 primarily affects Koyo H0-ecom. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-1809 published?

CVE-2012-1809 was published on 2012-04-13 and last updated on 2026-06-16.

CVE-2012-1809

CVE-2012-1809 is a medium-severity vulnerability in Koyo H0-ecom with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Koyo H0-ecom
Published: 2012-04-13
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2012-1809?: CVE-2012-1809 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-1809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1809?: CVE-2012-1809 primarily affects Koyo H0-ecom. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1809 published?: CVE-2012-1809 was published on 2012-04-13 and last updated on 2026-06-16.

References

http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-02.pdf

Affected products (8)

cpe:2.3:a:koyo:h0-ecom:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h0-ecom100:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h2-ecom:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h2-ecom-f:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h2-ecom100:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h4-ecom:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h4-ecom-f:*:*:*:*:*:*:*:*
cpe:2.3:a:koyo:h4-ecom100:*:*:*:*:*:*:*:*

More vulnerabilities in Koyo H0-ecom

CVE-2012-1808 — Critical (CVSS 10.0): The web server in the ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H4-ECOM,…
CVE-2012-1805 — Critical (CVSS 10.0): Buffer overflow in the ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H4-ECOM,…
CVE-2012-1806 — High (CVSS 7.5): The ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H4-ECOM, H4-ECOM-F, and…
CVE-2012-1807 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the web server in the ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100,…

All CVEs affecting Koyo H0-ecom →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →