Medium severity · published Aug 3, 2023
CVE-2023-37550
In multiple Codesys products in multiple versions, after successful authentication as a user, specific crafted network communication requests with inconsistent content can cause…
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-2023-37547, CVE-2023-37548 and CVE-2023-37549.
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
CF
Control For Beaglebone SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Empc-a/imx6 SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Iot2000 SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Linux SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Pfc100 SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Pfc200 SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Plcnext SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Raspberry PI SL · Codesys
before 4.10.0.0 · source: NVD
CF
Control For Wago Touch Panels 600 SL · Codesys
before 4.10.0.0 · source: NVD
CR
Control Rte SL · Codesys
before 3.5.19.20 · source: NVD
CR
Control Rte SL (for Beckhoff Cx) · Codesys
before 3.5.19.20 · source: NVD
CR
Control Runtime System Toolkit · Codesys
before 3.5.19.20 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-37550
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-37550
Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-019
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