CVE-2021-34595
high-risk
Published 2021-10-26
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.
Do I need to act?
-
0.37% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10
High
NETWORK
/ LOW complexity
Affected Products (20)
References (2)
51
/ 100
high-risk
Severity
28/34 · Critical
Exploitability
1/34 · Minimal
Exposure
22/34 · High