CVE-2021-34596
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
CODESYS V2 runtime: Access of Uninitialized Pointer may result in denial-of-service
A crafted request may cause a read access to an uninitialized pointer in CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56, resulting in a denial-of-service condition.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
CODESYS V2
- Vendor
- CODESYS
- Product
- CODESYS V2
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| Runtime Toolkit 32 bit full | affected | custom | V2.4.7.56 | Unavailable | None listed |
| PLCWinNT | affected | custom | V2.4.7.56 | Unavailable | None listed |