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Medium severity · published Aug 3, 2023
CVE-2023-37547
CODESYS: Improper Input Validation in CmpApp component
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause the CmpApp component to read internally from an invalid address, potentially leading to a denial-of-service condition. This vulnerability is different to CVE-2023-37545, CVE-2023-37546, CVE-2023-37548, CVE-2023-37549 and CVE-2023-37550
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)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
CODESYS Control RTE (SL) · CODESYS
before V3.5.19.20 · source: vendor
CC
CODESYS Control RTE (for Beckhoff CX) SL · CODESYS
before V3.5.19.20 · source: vendor
CC
CODESYS Control Runtime System Toolkit · CODESYS
before V3.5.19.20 · source: vendor
CC
CODESYS Control Win (SL) · CODESYS
before V3.5.19.20 · source: vendor
CC
CODESYS Control for BeagleBone SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for IOT2000 SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for Linux SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for PFC100 SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for PFC200 SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for PLCnext SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for Raspberry Pi SL · CODESYS
before V4.10.0.0 · source: vendor
CC
CODESYS Control for WAGO Touch Panels 600 SL · CODESYS
before V4.10.0.0 · source: vendor
Affected product
CC
CODESYS Control for BeagleBone SL
CODESYS
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-37547
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-37547
Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-019
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