cve.bz

CVE-2021-34595

8.1 highEPSS 0.9%

High (8.1). EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.1 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWEs
CWE-119, CWE-823
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON