CVE-2021-29242
CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-29242- CVSS 3.1
- 7.3 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-29242- Updated
- 2026-11-02
EUVDEUVD-2021-15881 No score
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.
- Record
EUVD-2021-15881- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-85g9-hgxq-755v No score
CODESYS Control Runtime system before 3.5.17.0 has improper input validation. Attackers can send...
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.
- Record
GHSA-85g9-hgxq-755v- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- codesys control for beaglebone sl
- codesys control for empc-a\/imx6 sl
- codesys control for iot2000 sl
- codesys control for linux arm sl
- codesys control for linux sl
- codesys control for pfc100 sl
- codesys control for pfc200 sl
- codesys control for plcnext sl
- codesys control for raspberry pi sl
- codesys control for wago touch panels 600 sl
- codesys control rte
- codesys control runtime system toolkit
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29242 is a high vulnerability (CVSS 7.3) in Codesys Control For Beaglebone Sl, published May 3, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. No source names a fixed version.