An Information Management Error vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, the attacker can upload the original program from the PLC.
Existe una vulnerabilidad de error de gestión de información en el producto Modicon M221, de Schneider Electric (todas las referencias y todas las versiones anteriores al firmware V1.6.2.0). La vulnerabilidad permite que usuarios no autorizados reproduzcan secuencias de autenticación. Si un atacante explota la vulnerabilidad y se conecta a Modicon M221, el atacante puede subir el programa original desde el PLC.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | NETWORK |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | NONE |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | HIGH |
| Integrity Impact | HIGH |
| Availability Impact | HIGH |
AV:N/AC:L/Au:N/C:P/I:P/A:P
| Access Vector | NETWORK |
|---|---|
| Access Complexity | LOW |
| Authentication | NONE |
| Confidentiality Impact | PARTIAL |
| Integrity Impact | PARTIAL |
| Availability Impact | PARTIAL |
| Source | Type | Description |
|---|---|---|
| [email protected] | Primary |
en
CWE-294
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary |
en
CWE-294
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| schneider-electric | modicon_m221_firmware | * | <built-in method update of dict object at 0x7e60a8b02840> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| No | cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:* |