CVE-2023-45851 — The Android Client application, when enrolled to the AppHub server,connects to a
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
Published
2023-10-25T14:18:08.811Z
Last modified
2024-09-11T18:06:40.524Z
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
The Android Client application, when enrolled to the AppHub server,connects to an MQTT broker without enforcing any server authentication.
02Affected products
| Vendor | Product | Versions |
|---|
| Bosch Rexroth AG | ctrlX HMI Web Panel | WR21 (WR2107) — all |
| Bosch Rexroth AG | ctrlX HMI Web Panel | WR21 (WR2110) — all |
| Bosch Rexroth AG | ctrlX HMI Web Panel | WR21 (WR2115) — all |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-10-25T14:18:08.811Z
- Last modified: 2024-09-11T18:06:40.524Z
09References
- psirt.bosch.com — https://psirt.bosch.com/security-advisories/BOSCH-SA-175607.html
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