CVE-2022-32138
CODESYS runtime system prone to denial of service due to Unexpected Sign Extension
HIGH
8.8
CVSS Score
Published: June 24, 2022 at 07:46 AM UTC
Updated: June 17, 2026 at 04:46 AM UTC
2 products affected across 1 vendorRuntime ToolkitPLCWinNT
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Severity
HIGH8.8
Exploit prediction
EPSS 1%
Description
In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 2.4.7.57, so it looks safe — our inference, not a vendor statement
Affected range stops below V2.4.7.57, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.4.7.57, so it looks safe — our inference, not a vendor statement
Affected range stops below V2.4.7.57, 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 (1)
x_refsource_CONFIRMMitigationVendor Advisory
Source: [email protected]
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17139&token=ec67d15a433b61c77154166c20c78036540cacb0&download=CVSS
8.8HIGHCERTVDE
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-194
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