CVE-2021-33485

high-risk
Published 2021-08-03

CODESYS Control Runtime system before 3.5.17.10 has a Heap-based Buffer Overflow.

Do I need to act?

-
0.39% 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
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (16)

Control
Control
Control
Control
Control
Control
Control
Control
Control
Control Rte
Control Rte
Embedded Target Visu Toolkit
Hmi
Remote Target Visu Toolkit

Affected Vendors

Codesys

References (2)

Vendor Advisory https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14805&token=f0b86f99b...
Vendor Advisory https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14805&token=f0b86f99b...
51
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 1/34 · Minimal
Exposure 18/34 · Moderate