Critical severity · published May 22, 2019
CVE-2019-6808
A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code…
9.8
CVSS
8.2%
EPSS
No
On KEV
Description
A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.2% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M340 Firmware · Schneider-electric
before 3.10 · source: NVD
MM
Modicon M580 Firmware · Schneider-electric
before 2.90 · source: NVD
MP
Modicon Premium Firmware · Schneider-electric
through 3.20 · source: NVD
MQ
Modicon Quantum Firmware · Schneider-electric
through 3.60 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6808
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6808
Mitigation
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0771
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