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CVE-2022-32138

CODESYS runtime system prone to denial of service due to Unexpected Sign Extension

Published: Jun 24, 2022Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-194
NVD MITRE
8.8CVSSHIGH
EPSS Score
1.1%
Top 38.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only

Description

In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-194

Affected Products

plcwinntcodesysICS / OT / IoT
runtime toolkitcodesysICS / OT / IoT
Runtime ToolkitCODESYSICS / OT / IoT
PLCWinNTCODESYSICS / OT / IoT
codesysoss-projectDEICS / OT / IoTaka codesys gmbh

Exploitability

Workaround Available

References

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17139&token=ec67d15a433b61c77154166c20c78036540cacb0&download=
customers.codesys.com
https://festo.csaf-tp.certvde.com/.well-known/csaf/white/2026/fsa-202601.json
festo.csaf-tp.certvde.com
https://certvde.com/en/advisories/vendor/festo/
certvde.com
and 226 more references View all →

Timeline

Published
Jun 24, 2022
Last Updated
Nov 21, 2024

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