IM
IronMonkey Threat Research

CVE-2021-29241 HIGH

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

Description

CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).

Additional Descriptions (1)

CODESYS Gateway versiones 3 anteriores a 3.5.16.70 tiene una derivación de puntero NULL que puede resultar en una denegación de servicio (DoS)

CVSS Metrics

Base Score: 7.5 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-476
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-476

Affected Products

Vendor Product Version Update Type
codesys control_for_beaglebone_sl * <built-in method update of dict object at 0x7e60a88abd80> Application
codesys control_for_empc-a\/imx6_sl * <built-in method update of dict object at 0x7e60e8341940> Application
codesys control_for_iot2000_sl * <built-in method update of dict object at 0x7e60a88a9740> Application
codesys control_for_linux_sl * <built-in method update of dict object at 0x7e60e8341440> Application
codesys control_for_pfc100_sl * <built-in method update of dict object at 0x7e60a88a8a80> Application
codesys control_for_pfc200_sl * <built-in method update of dict object at 0x7e6134109100> Application
codesys control_for_raspberry_pi_sl * <built-in method update of dict object at 0x7e60e83400c0> Application
codesys control_runtime_system_toolkit * <built-in method update of dict object at 0x7e60e8343c00> Application
codesys development_system * <built-in method update of dict object at 0x7e60e8c7c440> Application
codesys edge_gateway * <built-in method update of dict object at 0x7e60a88aa7c0> Application
codesys edge_gateway * <built-in method update of dict object at 0x7e60e8814580> Application
codesys gateway * <built-in method update of dict object at 0x7e60e83436c0> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:codesys:control_for_beaglebone_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_iot2000_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_linux_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_pfc100_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_pfc200_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_for_raspberry_pi_sl:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:control_runtime_system_toolkit:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:development_system:*:*:*:*:*:*:*:*
Yes cpe:2.3:a:codesys:edge_gateway:*:*:*:*:*:windows:*:*
Yes cpe:2.3:a:codesys:edge_gateway:*:*:*:*:*:linux:*:*
Yes cpe:2.3:a:codesys:gateway:*:*:*:*:*:*:*:*
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