CVE-2021-29242
HIGH
7.3
CVSS Score
Published: May 3, 2021 at 01:56 PM UTC
Updated: June 17, 2026 at 03:47 AM UTC
22 products affected across 1 vendorControl for emPC-A/iMX6 SLControl for BeagleBone SLControl for PFC100 SL
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Severity
HIGH7.3
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
3.0 ≤ v < 4.1.0.0
Affected range stops below 4.1.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPermissions RequiredVendor Advisory
Source: [email protected]
https://customers.codesys.com/index.phpx_refsource_MISCVendor Advisory
Source: [email protected]
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14640&token=623b6fceb0579ef0f7505e29beefa5b3f8ac7873&download=x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.codesys.com/security/security-reports.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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