Vulnerability Details : CVE-2018-7849
A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause a possible Denial of Service due to improper data integrity check when sending files the controller over Modbus.
Vulnerability category: Denial of service
Products affected by CVE-2018-7849
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-7849
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-7849
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-7849
-
The product does not handle or incorrectly handles an exceptional condition.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-7849
-
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0737
TALOS-2018-0737 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
-
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Security Notification - Modicon Controllers V1.3 | Schneider ElectricVendor Advisory
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