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Vulnerability record · CVE-2021-29242 · published 3 May 2021

CVE-2021-29242: Codesys control for beaglebone sl improper input validation vulnerability

Codesys · Control For Beaglebone Sl

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.

7.3 CVSS 3.1 High EPSS 1.1% · top 36.6% CWE-20 · Improper input validation
7.3CVSS 3.1 base score, v2 7.5
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://customers.codesys.com/index.php Permissions RequiredVendor 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 Vendor Advisory
https://customers.codesys.com/index.php Permissions RequiredVendor 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 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-9010Codesys control for beaglebone sl vulnerabilityAn issue was discovered in 3S-Smart CODESYS V3 products. The CODESYS Gateway does not correctly verify the ownership of a communication channel. All …EPSS 1.9%9.8CVE-2018-10612Codesys control for beaglebone sl improper access control vulnerabilityIn 3S-Smart Software Solutions GmbH CODESYS Control V3 products prior to version 3.5.14.0, user access management and communication encryption is not…EPSS 1.3%8.8CVE-2023-6357Codesys control for beaglebone sl os command injection vulnerabilityA low-privileged remote attacker could exploit the vulnerability and inject additional system commands via file system libraries which could give the…EPSS 0.96%8.8CVE-2022-4046Codesys control for beaglebone sl memory buffer overflow vulnerabilityIn CODESYS Control in multiple versions a improper restriction of operations within the bounds of a memory buffer allow an remote attacker with user …EPSS 0.88%8.8CVE-2022-47387Codesys control for beaglebone sl out-of-bounds write vulnerabilityAn authenticated remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products in…EPSS 1.3%8.8CVE-2022-47388Codesys control for beaglebone sl out-of-bounds write vulnerabilityAn authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products i…EPSS 1.3%8.8CVE-2022-47389Codesys control for beaglebone sl out-of-bounds write vulnerabilityAn authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products i…EPSS 1.3%8.8CVE-2022-47390Codesys control for beaglebone sl out-of-bounds write vulnerabilityAn authenticated, remote attacker may use a stack based out-of-bounds write vulnerability in the CmpTraceMgr Component of multiple CODESYS products i…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2021-29242), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.