7.5high
CVE-2018-7794
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modico…
Published 6 y ago · modified 4 mo ago · JSON
CVSS
7.5
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 73%
Public exploits
0
none known
Summary
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.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction (EPSS)
1.40% probability of exploitation in the next 30 days, higher than 73% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Affected products
- Schneider Electric SE Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions)
Classification
- Weakness
- CWE-754 Improper Check for Unusual or Exceptional Conditions
References
- se.com /ww/en/download/document/SEVD-2019-344-01 · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2018-7794
- NVD: CVE-2018-7794
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