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Vulnerability record · CVE-2012-1806 · published 13 April 2012

CVE-2012-1806: Koyo h0-ecom improper authentication vulnerability

Koyo · H0 Ecom

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 supports a maximum password length of 8 bytes, which makes it easier for remote attackers to obtain access via a brute-force attack.

7.5 CVSS 2.0 High EPSS 2.0% · top 19.6% CWE-287 · Improper authentication
7.5CVSS 2.0 base score
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

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 supports a maximum password length of 8 bytes, which makes it easier for remote attackers to obtain access via a brute-force attack.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-02.pdf US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/74876
http://www.us-cert.gov/control_systems/pdf/ICSA-12-102-02.pdf US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/74876

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2012-1805Koyo h0-ecom memory buffer overflow vulnerabilityBuffer overflow 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 re…EPSS 5.5%10.0CVE-2012-1808Koyo h0-ecom improper authentication vulnerabilityThe 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 does not r…EPSS 3.5%5.0CVE-2012-1809Koyo h0-ecom vulnerabilityThe 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 rem…EPSS 1.3%4.3CVE-2012-1807Koyo h0-ecom cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the web server in the ECOM Ethernet module in Koyo H0-ECOM, H0-ECOM100, H2-ECOM, H2-ECOM-F, H2-ECOM100, H…EPSS 1.0%7.5CVE-2026-42018JFrog Artifactory improper authentication leaks anonymous tokenJFrog Artifactory can return an internal anonymous-user token to an unauthenticated caller even when anonymous access is disabled. Because the token …KEVEPSS 9.8%analysed9.8CVE-2026-82329JFrog Artifactory improper authentication allows admin takeoverJFrog Artifactory contains an improper authentication weakness (CWE-287) that, under default configuration, may let an unauthenticated attacker with …KEVEPSS 14%analysed8.8CVE-2026-59822LiteLLM MCP endpoint auth bypass via OAuth2 passthrough fallbackLiteLLM's MCP Streamable HTTP endpoint, prior to 1.84.0, let an unauthenticated attacker send a fabricated Authorization header that triggered an OAu…KEVEPSS 0.84%analysed10.0CVE-2026-49869Kestra OSS auth bypass via path suffix match enables RCEKestra OSS AuthenticationFilter whitelists the public config endpoint using request.getPath().endsWith("/configs"), a suffix match instead of an exac…KEVEPSS 2.1%analysed

Source: NIST National Vulnerability Database (record CVE-2012-1806), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.