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CVE-2015-3938

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows...

7.8 High

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Exploit likelihood

2.23%Up 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.8

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Record
CVE-2015-3938
CVSS 2.0
7.8 HighAV:N/AC:L/Au:N/C:N/I:N/A:C
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Record
CVE-2015-3938
Updated
2026-11-02
EUVDEUVD-2015-3969 No score

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Record
EUVD-2015-3969
Updated
2026-11-03
GitHub AdvisoriesGHSA-r32j-v8jp-qvpq No score

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows...

The HTTP application on Mitsubishi Electric MELSEC FX3G PLC devices before April 2015 allows remote attackers to cause a denial of service (device outage) via a long parameter.

Record
GHSA-r32j-v8jp-qvpq
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3938 is a high vulnerability (CVSS 7.8) in Mitsubishi Electric Melsec Fx3g, published October 3, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.23%, the 82nd percentile. No source names a fixed version.

References

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