Observable discrepancy in Siemens Desigo DXR2
Priority LOW 26CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.
Summary
A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22), Desigo PXC3 (All versions < V01.21.142.4-18), Desigo PXC4 (All versions < V02.20.142.10-10884), Desigo PXC5 (All versions < V02.20.142.10-10884). The login functionality of the application fails to normalize the response times of login attempts performed with wrong usernames with the ones executed with correct usernames. A remote unauthenticated attacker could exploit this side-channel information to perform a username enumeration attack and identify valid usernames.
Why it matters now
EPSS 0.01084 65th percentileScored 2026-11-07
Fix Fixed Desigo DXR2 (Siemens): V01.21.142.5-22Desigo PXC3 (Siemens): V01.21.142.4-18+2 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | Desigo DXR2 | before V01.21.142.5-22 | V01.21.142.5-22 | Patch available | CNA |
| Siemens | Desigo PXC3 | before V01.21.142.4-18 | V01.21.142.4-18 | Patch available | CNA |
| Siemens | Desigo PXC4 | before V02.20.142.10-10884 | V02.20.142.10-10884 | Patch available | CNA |
| Siemens | Desigo PXC5 | before V02.20.142.10-10884 | V02.20.142.10-10884 | Patch available | CNA |
- Desigo DXR2 VendorSiemens Affected before V01.21.142.5-22 Fixed in V01.21.142.5-22 Patch available CNA
- Desigo PXC3 VendorSiemens Affected before V01.21.142.4-18 Fixed in V01.21.142.4-18 Patch available CNA
- Desigo PXC4 VendorSiemens Affected before V02.20.142.10-10884 Fixed in V02.20.142.10-10884 Patch available CNA
- Desigo PXC5 VendorSiemens Affected before V02.20.142.10-10884 Fixed in V02.20.142.10-10884 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:desigo_dxr2_firmware:*:*:*:*:*:*:*:* | before 01.21.142.5-22 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:desigo_dxr2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:desigo_pxc3_firmware:*:*:*:*:*:*:*:* | before 01.21.142.4-18 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:desigo_pxc3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:desigo_pxc4_firmware:*:*:*:*:*:*:*:* | before 02.20.142.10-10884 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:desigo_pxc4:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:desigo_pxc5_firmware:*:*:*:*:*:*:*:* | before 02.20.142.10-10884 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:desigo_pxc5:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:desigo_dxr2_firmware:*:*:*:*:*:*:*:* Versions before 01.21.142.5-22 Vulnerable ·Siemens
- cpe:2.3:h:siemens:desigo_dxr2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:desigo_pxc3_firmware:*:*:*:*:*:*:*:* Versions before 01.21.142.4-18 Vulnerable ·Siemens
- cpe:2.3:h:siemens:desigo_pxc3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:desigo_pxc4_firmware:*:*:*:*:*:*:*:* Versions before 02.20.142.10-10884 Vulnerable ·Siemens
- cpe:2.3:h:siemens:desigo_pxc4:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:desigo_pxc5_firmware:*:*:*:*:*:*:*:* Versions before 02.20.142.10-10884 Vulnerable ·Siemens
- cpe:2.3:h:siemens:desigo_pxc5:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA Desigo DXR2 (Siemens) Fixed in V01.21.142.5-22
- Fix · CNA Desigo PXC3 (Siemens) Fixed in V01.21.142.4-18
- Fix · CNA Desigo PXC4 (Siemens) Fixed in V02.20.142.10-10884
- Fix · CNA Desigo PXC5 (Siemens) Fixed in V02.20.142.10-10884
Timeline
- 2026-10-02 Threatist record created from CVE-2022-24043
- 2026-10-03 Alias added: GHSA-r754-r2fw-63fg
References
More Siemens Desigo Dxr2 Firmware vulnerabilities
- TI-2022-08002 Insufficient session expiration in Siemens Desigo DXR2 CVSS 3.1CRITICAL 9.1
- TI-2022-08004 Missing brute-force protection in Siemens Desigo DXR2 CVSS 3.1HIGH 7.5
- TI-2021-18284 A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22)… CVSS 3.1HIGH 7.5
- TI-2022-08005 A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22)… CVSS 3.1MEDIUM 6.5
- TI-2022-08000 Uncontrolled resource consumption in Siemens Desigo DXR2 CVSS 3.1MEDIUM 6.5
- TI-2022-08001 A vulnerability has been identified in Desigo DXR2 (All versions < V01.21.142.5-22)… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2022-24043 · CVE Program
- CVE-2022-24043 · NVD
- FIRST EPSS
- GHSA-r754-r2fw-63fg · 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