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cve[email protected]CVE-2023-46102
HistoryOct 25, 2023 - 6:17 p.m.

CVE-2023-46102

2023-10-2518:17:36
CWE-798
web.nvd.nist.gov
15
android
client application
apphub server
mqtt broker
encrypted protocol
vulnerability
arbitrary commands
nvd

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.3%

The Android Client application, when enrolled to the AppHub server, connects to an MQTT
broker to exchange messages and receive commands to execute on the HMI device.
The protocol builds on top of MQTT to implement the remote management of the device is encrypted with a hard-coded DES symmetric key, that can be retrieved reversing both the Android Client application and the server-side web application.

This issue allows an attacker able to control a malicious MQTT broker on the same subnet
network of the device, to craft malicious messages and send them to the HMI device, executing arbitrary commands on the device itself.

Affected configurations

NVD
Node
boschrexrothctrlx_hmi_web_panel_wr2107_firmware
AND
boschrexrothctrlx_hmi_web_panel_wr2107Match-
Node
boschrexrothctrlx_hmi_web_panel_wr2110_firmware
AND
boschrexrothctrlx_hmi_web_panel_wr2110Match-
Node
boschrexrothctrlx_hmi_web_panel_wr2115_firmware
AND
boschrexrothctrlx_hmi_web_panel_wr2115Match-

CNA Affected

[
  {
    "vendor": "Bosch Rexroth AG",
    "product": "ctrlX HMI Web Panel - WR21 (WR2107)",
    "versions": [
      {
        "version": "all",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Bosch Rexroth AG",
    "product": "ctrlX HMI Web Panel - WR21 (WR2110)",
    "versions": [
      {
        "version": "all",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Bosch Rexroth AG",
    "product": "ctrlX HMI Web Panel - WR21 (WR2115)",
    "versions": [
      {
        "version": "all",
        "status": "affected"
      }
    ]
  }
]

8.8 High

CVSS3

Attack Vector

ADJACENT

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.3%

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