IM
IronMonkey Threat Research

CVE-2021-33485 CRITICAL

Published: 2021-08-03 | Last Modified: 2026-05-29 | Status: Modified

Description

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

Additional Descriptions (1)

CODESYS Control Runtime system versiones anteriores a 3.5.17.10, presenta un Desbordamiento de Buffer en la región Heap de la memoria

CVSS Metrics

Base Score: 9.8 (CRITICAL)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 5.9

Base Score: 7.5 (HIGH)

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactPARTIAL
Integrity ImpactPARTIAL
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 6.4

Weaknesses

Source Type Description
[email protected] Primary
en CWE-787
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-122

Affected Products

Vendor Product Version Update Type
codesys control * <built-in method update of dict object at 0x7e61342e7b80> Application
codesys control * <built-in method update of dict object at 0x7e60a87b5440> Application
codesys control * <built-in method update of dict object at 0x7e60a87b4440> Application
codesys control * <built-in method update of dict object at 0x7e6112c85e00> Application
codesys control * <built-in method update of dict object at 0x7e60a8b56880> Application
codesys control * <built-in method update of dict object at 0x7e60a8b55d00> Application
codesys control * <built-in method update of dict object at 0x7e60a87b7b00> Application
codesys control * <built-in method update of dict object at 0x7e61121f17c0> Application
codesys control * <built-in method update of dict object at 0x7e60a8b54280> Application
codesys control_rte * <built-in method update of dict object at 0x7e60e8817d80> Application
codesys control_rte * <built-in method update of dict object at 0x7e60a8b552c0> Application
codesys control_runtime_system_toolkit * <built-in method update of dict object at 0x7e60a8b56680> Application
codesys control_win_sl * <built-in method update of dict object at 0x7e61342e5a80> Application
codesys embedded_target_visu_toolkit * <built-in method update of dict object at 0x7e60e810a140> Application
codesys hmi * <built-in method update of dict object at 0x7e60a8b56440> Application
codesys remote_target_visu_toolkit * <built-in method update of dict object at 0x7e6071ebb780> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:beaglebone_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:empc-a\/imx6_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:iot2000_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:linux_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:pfc100_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:pfc200_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:plcnext_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:raspberry_pi_sl:*:*
Yes cpe:2.3:a:codesys:control:*:*:*:*:*:wago_touch_panels_600_sl:*:*
Yes cpe:2.3:a:codesys:control_rte:*:*:*:*:*:-:*:*
Yes cpe:2.3:a:codesys:control_rte:*:*:*:*:*:beckhoff_cx:*:*
Yes cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_win_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:embedded_target_visu_toolkit:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:hmi:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:remote_target_visu_toolkit:*:*:*:*:*:*:*:*
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