CVE-2018-7845
CVSS v3
7.5
HIGH
EPSS Score
3.4 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Schneider Electric Modicon Controllers (Update A)
Modicon M580 Firmware Versions prior to v2.80 installed on Modicon M580 Controller · Modicon M340 Firmware Versions prior to v3.01 installed on Modicon M340 Controller · Modicon Quantum Firmware Versions prior to v3.60 installed on Modicon Quantum Controller 140CPU65150 [C] & 140CPU65160 [C]
Description
A CWE-125: Out-of-bounds Read vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause the disclosure of unexpected data from the controller when reading specific memory blocks in the controller over Modbus.
Technical details
- Published
- 2019-05-22
Frequently asked questions
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