CVE-2021-34596

CWE-8243 documents3 sources
Severity
6.5MEDIUM
EPSS
0.2%
top 53.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
31
Codesys Codesys V2Codesys CodesysCodesys Plcwinnt+28 more
Timeline
PublishedOct 26
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages31 packages

▶NVDcodesys/runtime_toolkit< 2.4.7.56
▶NVDcodesys/plcwinnt< 2.4.7.56
▶NVDcodesys/codesys< 1.1.9.22
▶CVEListV5codesys/codesys_v2Runtime Toolkit 32 bit full — V2.4.7.56+1

🔴Vulnerability Details

2
GHSA
GHSA-93x3-2r5r-4375: 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↗2022-05-24
▶
CVEList
CODESYS V2 runtime: Access of Uninitialized Pointer may result in denial-of-service↗2021-10-26
▶
CVE-2021-34596 (MEDIUM CVSS 6.5) | A crafted request may cause a read | cvebase.io