CVE-2023-45851
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker...
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
- Record
CVE-2023-45851- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2023-50121
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
- Record
EUVD-2023-50121- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v7pg-gp89-mfh2
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker...
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
- Record
GHSA-v7pg-gp89-mfh2- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
This issue allows an attacker to force the Android Client application to connect to a malicious MQTT broker, enabling it to send fake messages to the HMI device
- Record
CVE-2023-45851- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
- bosch rexroth ag ctrlx hmi web panel - wr21 (wr2107)
- bosch rexroth ag ctrlx hmi web panel - wr21 (wr2110)
- bosch rexroth ag ctrlx hmi web panel - wr21 (wr2115)
- boschrexroth ctrlx hmi web panel wr2107
- boschrexroth ctrlx hmi web panel wr2107 firmware
- boschrexroth ctrlx hmi web panel wr2110 firmware
- boschrexroth ctrlx hmi web panel wr2115 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-45851 is a high vulnerability (CVSS 8.8) in Bosch Rexroth Ag Ctrlx Hmi Web Panel - Wr21 (wr2107), published October 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.