CVE-2021-36763

Published: Aug 3, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

In CODESYS V3 web server before 3.5.17.10, files or directories are accessible to External Parties.

Affected (16)

Products: Codesys: Control, Control Rte, Control Runtime System Toolkit, Control Win Sl, Embedded Target Visu Toolkit, Hmi, Remote Target Visu Toolkit

7 products

Control Runtime System Toolkit

Embedded Target Visu Toolkit

Remote Target Visu Toolkit

Configuration A

16 vulnerable

Vulnerable Software	Affected Versions
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version ≤ 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control	version < 4.2.0.0
Codesys Control Rte	version < 3.5.17.10
Codesys Control Rte	version < 3.5.17.10
Codesys Control Runtime System Toolkit	version < 3.5.17.10
Codesys Control Win Sl	version < 3.5.17.10
Codesys Embedded Target Visu Toolkit	version < 3.5.17.10
Codesys Hmi	version < 3.5.17.10
Codesys Remote Target Visu Toolkit	version < 3.5.17.10

Related CWEs

Files or Directories Accessible to External Parties

The product makes files or directories accessible to unauthorized actors, even though they should not be.

References (2)

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16803&token=0b8edf9276dc39ee52f43026c415c5b38085d90a&download=

Source: cve@mitre.org

Vendor Advisory

https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16803&token=0b8edf9276dc39ee52f43026c415c5b38085d90a&download=

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.