Is CVE-2012-3039 being actively exploited?

CVE-2012-3039 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3039?

CVE-2012-3039 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2012-3039

HIGH · CVSS 7.1EPSS 1.4%EU EUVD

Moxa OnCell Gateway G3111, G3151, G3211, and G3251 devices with firmware before 1.4 do not use a sufficient source of entropy for SSH and SSL keys, which makes it easier for remote attackers to obtain access by leveraging knowledge of a key from a product installation elsewhere.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:H/Au:S/C:C/I:C/A:C
Weakness (CWE): CWE-310
EPSS score: 1.4% (72th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3017)
Published: August 9, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3017 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

moxa / oncell gateway firmware
moxa / oncell gateway g3111
moxa / oncell gateway g3151
moxa / oncell gateway g3211
moxa / oncell gateway g3251

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-217-01(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain