CVE-2021-34595
CODESYS V2 runtime: out-of-bounds read or write access may result in denial-of-service
- State
- Published
- Severity
- 8.1 High
- Published
- Oct 26, 2021
- Updated
- Sep 17, 2024
- Reserved
- Jun 10, 2021
Description
A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition or local memory overwrite.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H | CERTVDE |
Weaknesses
- CWE-823 Use of Out-of-range Pointer Offset
Affected Products
| Product | Versions |
|---|---|
CODESYS V2CODESYS |
|
References
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