An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
Se ha descubierto un problema de omisión de autenticación por captura por reproducción en el protocolo Modicon Modbus, de Schneider Electric. Se transmite información sensible en texto claro en el protocolo Modicon Modbus, lo que podría permitir que un atacante reproduzca los siguientes comandos: run, stop, upload y download.
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 |
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Type: Secondary
Exploitability Score: 3.9
Impact Score: 5.9
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] | Secondary |
en
CWE-294
|
| [email protected] | Primary |
en
CWE-287
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| schneider-electric | modbus_firmware | - | <built-in method update of dict object at 0x7e60a888f700> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:schneider-electric:modbus_firmware:-:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| No | cpe:2.3:h:schneider-electric:modbus:-:*:*:*:*:*:*:* |