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Vulnerability record · CVE-2021-29241 · published 3 May 2021

CVE-2021-29241: Codesys control for beaglebone sl null pointer dereference vulnerability

Codesys · Control For Beaglebone Sl

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

7.5 CVSS 3.1 High EPSS 1.4% · top 28.0% CWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score, v2 5.0
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
11Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

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

Affected products

11 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=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&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=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&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-2021-29241), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.