High severity · published May 22, 2019
CVE-2019-6819
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial of Service when specific Modbus frames are sent to the controller in the products: Modicon M340 - firmware versions prior to V3.01, Modicon M580 - firmware versions prior to V2.80, All firmware versions of Modicon Quantum and Modicon Premium.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% 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 3.01 · source: NVD
MM
Modicon M580 Firmware · Schneider-electric
before 2.80 · source: NVD
MP
Modicon Premium Firmware · Schneider-electric
All versions, or not specified · source: NVD
MQ
Modicon Quantum Firmware · Schneider-electric
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-6819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-6819
Broken Link
http://www.securityfocus.com/bid/109004
Vendor Advisory
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-05/
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