A vulnerability exists in Schneider Electric's Modicon Quantum in all versions of the communication modules which could allow arbitrary code execution. An FTP command used to upgrade the firmware of the module can be misused to cause a denial of service, or in extreme cases, to load a malicious firmware.
Published 2018-04-18 20:29:00
Updated 2019-10-03 00:03:26
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2018-7240

0.35%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-7240

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
NIST
8.8
HIGH CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
NIST

CWE ids for CVE-2018-7240

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-7240

Products affected by CVE-2018-7240

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