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 v3
8.1
EPSS
0.0037
EPSS Percentile
59.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Details
CWE
CWE-119
CWE-823
Status
published
Products (30)
codesys/codesys
< 1.1.9.22
codesys/plcwinnt
< 2.4.7.56
codesys/runtime_toolkit
< 2.4.7.56
wago/750-8202_firmware
< fw20
wago/750-8203_firmware
< fw20
wago/750-8204_firmware
< fw20
wago/750-8206_firmware
< fw20
wago/750-8207_firmware
< fw20
wago/750-8208_firmware
< fw20
wago/750-8210_firmware
< fw20
... and 20 more
Published
Oct 26, 2021
Tracked Since
Feb 18, 2026