Medium severity · published May 22, 2019
CVE-2018-7788
A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
A CWE-255 Credentials Management vulnerability exists in Modicon Quantum with firmware versions prior to V2.40. which could cause a Denial Of Service when using a Telnet connection.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
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
MQ
Modicon Quantum Firmware · Schneider-electric
before 2.40 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7788
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7788
Patch
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-08/
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