High severity · published Jun 4, 2024
CVE-2024-5000
CODESYS: Incorrect calculation of buffer size can cause DoS on CODESYS OPC UA products
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
An unauthenticated remote attacker can use a malicious OPC UA client to send a crafted request to affected CODESYS products which can cause a DoS due to incorrect calculation of buffer size.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% 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 3.5.20.10 · source: vendor
CC
CODESYS Control RTE (for Beckhoff CX) SL · CODESYS
before 3.5.20.10 · source: vendor
CC
CODESYS Control Win (SL) · CODESYS
before 3.5.20.10 · source: vendor
CC
CODESYS Control for BeagleBone SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for IOT2000 SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for Linux ARM SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for Linux SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for PFC100 SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for PFC200 SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for PLCnext SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for Raspberry Pi SL · CODESYS
before 4.12.0.0 · source: vendor
CC
CODESYS Control for WAGO Touch Panels 600 SL · CODESYS
before 4.12.0.0 · source: vendor
Affected product
CC
CODESYS Control for BeagleBone SL
CODESYS
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-5000
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-5000
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2024-026
customers.codesys.com
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=18355&token=e3e5a937ce72602bec39718ddc2f4ba6d983ccd1&download=
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