CVE-2018-7794
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when reading…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.40%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when reading data with invalid index using Modbus TCP.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.40% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-754
- Affected
- schneider-electric/modicon m580 firmware · schneider-electric/modicon m340 firmware · schneider-electric/tsxh5744m firmware · schneider-electric/tsxh5724m firmware · schneider-electric/tsxp576634m firmware · schneider-electric/tsxp57554m firmware · schneider-electric/tsxp575634m firmware · schneider-electric/tsxp57454m firmware · schneider-electric/tsxp574634m firmware · schneider-electric/tsxp57354m firmware · schneider-electric/tsxp573634m firmware · schneider-electric/tsxp57304m firmware · schneider-electric/tsxp57254m firmware · schneider-electric/tsxp572634m firmware · schneider-electric/tsxp57204m firmware · schneider-electric/tsxp571634m firmware · schneider-electric/tsxp57154m firmware · schneider-electric/tsxp57104m firmware · schneider-electric/140cpu65150 firmware · schneider-electric/140cpu65160 firmware · +9 more
- Source
- cybersecurity@se.com
References
- https://www.se.com/ww/en/download/document/SEVD-2019-344-01Vendor Advisory
- https://www.se.com/ww/en/download/document/SEVD-2019-344-01Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.