CVE-2021-34596

CODESYS V2 runtime: Access of Uninitialized Pointer may result in denial-of-service

State
Published
Severity
6.5 Medium
Published
Oct 26, 2021
Updated
Sep 16, 2024
Reserved
Jun 10, 2021

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.16.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCERTVDE

Weaknesses

  • CWE-824 Access of Uninitialized Pointer

Affected Products

ProductVersions
CODESYS V2CODESYS
  • Runtime Toolkit 32 bit full to before V2.4.7.56Affected
  • PLCWinNT to before V2.4.7.56Affected

References

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