High severity · published May 3, 2021
CVE-2021-29242
CODESYS Control Runtime system before 3.5.17.0 has improper input validation
7.3
CVSS
1.1%
EPSS
No
On KEV
Description
CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send crafted communication packets to change the router's addressing scheme and may re-route, add, remove or change low level communication packages.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% 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
3.0 before 4.1.0.0 · source: NVD
CF
Control For Empc-a/imx6 SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Iot2000 SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Linux Arm SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Linux SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Pfc100 SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Pfc200 SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Plcnext SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Raspberry PI SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CF
Control For Wago Touch Panels 600 SL · Codesys
3.0 before 4.1.0.0 · source: NVD
CR
Control Rte · Codesys
3.0 before 3.5.17.0; 3.0 before 3.5.17.0 · source: NVD
CR
Control Runtime System Toolkit · Codesys
3.0 before 3.5.17.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29242
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29242
Permissions Required
https://customers.codesys.com/index.php
Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14640&token=623b6fceb0579ef0f7505e29beefa5b3f8ac7873&download=
Vendor Advisory
https://www.codesys.com/security/security-reports.html
More from Control For Beaglebone SL
9.8
CVE-2019-9010
An issue was discovered in 3S-Smart CODESYS V3 products
9.8
CVE-2018-10612
In 3S-Smart Software Solutions GmbH CODESYS Control V3 products prior to version 3.5.14.0, user access management and communication encryption is not enabled by default, which…
8.8
CVE-2023-6357
A low-privileged remote attacker could exploit the vulnerability and inject additional system commands via file system libraries which could give the attacker full control of the…
8.8
CVE-2022-4046
In CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user privileges to gain full access…
8.8
CVE-2022-47390
An authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in multiple versions to write…