Missing authentication in Rexroth ctrlX HMI Web Panel - WR21
Priority MEDIUM 41CWE-306Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00522 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Rexroth | ctrlX HMI Web Panel - WR21 (WR2107) | all | — | No fix listed | CNA |
| Rexroth | ctrlX HMI Web Panel - WR21 (WR2110) | all | — | No fix listed | CNA |
| Rexroth | ctrlX HMI Web Panel - WR21 (WR2115) | all | — | No fix listed | CNA |
- ctrlX HMI Web Panel - WR21 (WR2107) VendorRexroth Affected all Fixed in — No fix listed CNA
- ctrlX HMI Web Panel - WR21 (WR2110) VendorRexroth Affected all Fixed in — No fix listed CNA
- ctrlX HMI Web Panel - WR21 (WR2115) VendorRexroth Affected all Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2107_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Rexroth |
| cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2107:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rexroth |
| cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2110_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Rexroth |
| cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2110:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rexroth |
| cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2115_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Rexroth |
| cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2115:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Rexroth |
- cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2107_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Rexroth
- cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2107:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rexroth
- cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2110_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Rexroth
- cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2110:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rexroth
- cpe:2.3:o:boschrexroth:ctrlx_hmi_web_panel_wr2115_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Rexroth
- cpe:2.3:h:boschrexroth:ctrlx_hmi_web_panel_wr2115:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Rexroth
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Rexroth ctrlX HMI Web Panel - WR21 (WR2107), ctrlX HMI Web Panel - WR21 (WR2110), ctrlX HMI Web Panel - WR21 (WR2115) — psirt.bosch.com/security-advisories/BOSCH-SA-175607.html
9 records Highest priority Priority MEDIUM 4 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2023-24754 Hard-coded credentials in Rexroth ctrlX HMI Web Panel - WR21Priority MEDIUM 41
- TI-2023-21861 Missing authentication in Rexroth ctrlX HMI Web Panel - WR21Priority MEDIUM 41
- TI-2023-24226 Missing authentication in Rexroth ctrlX HMI Web Panel - WR21Priority MEDIUM 40
Timeline
- 2026-10-02 Threatist record created from CVE-2023-45851
- 2026-10-03 Alias added: GHSA-v7pg-gp89-mfh2
References
More Rexroth Ctrlx Hmi Web Panel Wr2107 Firmware vulnerabilities
- TI-2023-24754 Hard-coded credentials in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 8.8
- TI-2023-21861 Missing authentication in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 8.8
- TI-2023-24226 Missing authentication in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 8.8
- TI-2023-24291 Cleartext transmission of sensitive information in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 8.8
- TI-2023-21967 Hard-coded credentials in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 7.8
- TI-2023-23245 Missing authorization in Rexroth ctrlX HMI Web Panel - WR21 CVSS 3.1HIGH 7.9
Sources
- CVE-2023-45851 · CVE Program
- CVE-2023-45851 · NVD
- FIRST EPSS
- GHSA-v7pg-gp89-mfh2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences