Vulnerability Details : CVE-2019-6820
A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2
Products affected by CVE-2019-6820
- cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:atv_imc_drive_controller_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_lmc058_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_lmc078_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:pacdrive_eco_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:pacdrive_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:pacdrive_pro2_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6820
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6820
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:P |
10.0
|
4.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
3.9
|
4.2
|
NIST |
CWE ids for CVE-2019-6820
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by:
- cybersecurity@se.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2019-6820
-
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/
Security Notification - Modicon and PacDrive Controllers | Schneider ElectricVendor Advisory
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