Exposure of resource to wrong sphere in Siemens Desigo PX automation controllers…
Priority LOW 27CWE-472Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A vulnerability has been identified in Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 (All firmware versions < V6.00.320), Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 (All firmware versions < V6.00.320), Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server (All firmware versions < V6.00.320). The device contains a vulnerability that could allow an attacker to cause a denial of service condition on the device's web server by sending a specially crafted HTTP message to the web server port (tcp/80). The security vulnerability could be exploited by an attacker with network access to an affected device. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise the availability of the device's web service. While the device itself stays operational, the web server responds with HTTP status code 404 (Not found) to any further request. A reboot is required to recover the web interface. At the time of advisory publication no public exploitation of this security vulnerability was known.
Why it matters now
EPSS 0.01675 76th percentileScored 2026-11-07
Fix Fixed Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 (Siemens AG): V6.00.320Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 (Siemens AG): V6.00.320+1 more product
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 PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 | before V6.00.320 | V6.00.320 | Patch available | CNA |
| Siemens | Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 | before V6.00.320 | V6.00.320 | Patch available | CNA |
| Siemens | Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server | before V6.00.320 | V6.00.320 | Patch available | CNA |
- Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 VendorSiemens Affected before V6.00.320 Fixed in V6.00.320 Patch available CNA
- Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 VendorSiemens Affected before V6.00.320 Fixed in V6.00.320 Patch available CNA
- Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server VendorSiemens Affected before V6.00.320 Fixed in V6.00.320 Patch available CNA
CPE configurations NVD · 32
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:pxc00-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc00-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc50-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc50-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc100-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc100-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc200-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc200-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxa40-w0_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa40-w0:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:pxc00-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc00-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc50-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc50-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc100-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc100-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc200-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc200-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxa40-w0_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa40-w0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Show 22 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:pxa40-w1_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa40-w1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxa40-w2_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa40-w2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc00-u_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc00-u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc64-u_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc64-u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc128-u_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc128-u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxa30-w0_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa30-w0:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxa30-w1_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa30-w1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxa30-w2_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxa30-w2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc22.1-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc22.1-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc36-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc36-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:pxc36.1-e.d_firmware:*:*:*:*:*:*:*:* | before 6.00.320 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:pxc36.1-e.d:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:pxa40-w1_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa40-w1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxa40-w2_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa40-w2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc00-u_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc00-u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc64-u_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc64-u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc128-u_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc128-u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxa30-w0_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa30-w0:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxa30-w1_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa30-w1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxa30-w2_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxa30-w2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc22.1-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc22.1-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc36-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc36-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:pxc36.1-e.d_firmware:*:*:*:*:*:*:*:* Versions before 6.00.320 Vulnerable ·Siemens
- cpe:2.3:h:siemens:pxc36.1-e.d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web modules PXA40-W0, PXA40-W1, PXA40-W2 (Siemens AG) Fixed in V6.00.320
- Fix · CNA Desigo PX automation controllers PXC00-U, PXC64-U, PXC128-U with Desigo PX Web modules PXA30-W0, PXA30-W1, PXA30-W2 (Siemens AG) Fixed in V6.00.320
- Fix · CNA Desigo PX automation controllers PXC22.1-E.D, PXC36-E.D, PXC36.1-E.D with activated web server (Siemens AG) Fixed in V6.00.320
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13927
- 2026-10-03 Alias added: GHSA-3phq-67rm-2hq8
References
Sources
- CVE-2019-13927 · CVE Program
- CVE-2019-13927 · NVD
- FIRST EPSS
- GHSA-3phq-67rm-2hq8 · 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