High severity · published Aug 3, 2023
CVE-2023-3663
In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of…
8.8
CVSS
1%
EPSS
No
On KEV
Description
In CODESYS Development System versions from 3.5.11.20 and before 3.5.19.20 a missing integrity check might allow an unauthenticated remote attacker to manipulate the content of notifications received via HTTP by the CODESYS notification server.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Development System · Codesys
3.5.11.20 before 3.5.19.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-3663
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-3663
Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-022/
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