Medium severity · published Dec 20, 2019
CVE-2019-19789
3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
3S-Smart CODESYS SP Realtime NT before V2.3.7.28, CODESYS Runtime Toolkit 32 bit full before V2.4.7.54, and CODESYS PLCWinNT before V2.4.7.54 allow a NULL pointer dereference.
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)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plcwinnt · Codesys
before 2.4.7.54 · source: NVD
RT
Runtime Toolkit · Codesys
before 2.4.7.54 · source: NVD
SR
SP Realtime NT · Codesys
before 2.3.7.28 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-19789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-19789
Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download=
Vendor Advisory
https://www.codesys.com
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