Cross-site scripting in Siemens Climatix POL909
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
A vulnerability has been identified in Climatix POL909 (AWB module) (All versions < V11.44), Climatix POL909 (AWM module) (All versions < V11.36). The User Management page of affected devices is vulnerable to cross-site scripting (XSS). The vulnerability allows an attacker to send malicious JavaScript code which could result in hijacking of the user's cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser action.
Why it matters now
EPSS 0.00562 46th percentileScored 2026-11-07
Fix Fixed Climatix POL909 (AWB module) (Siemens): V11.44Climatix POL909 (AWM module) (Siemens): V11.36
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 | Climatix POL909 (AWB module) | before V11.44 | V11.44 | Patch available | CNA |
| Siemens | Climatix POL909 (AWM module) | before V11.36 | V11.36 | Patch available | CNA |
- Climatix POL909 (AWB module) VendorSiemens Affected before V11.44 Fixed in V11.44 Patch available CNA
- Climatix POL909 (AWM module) VendorSiemens Affected before V11.36 Fixed in V11.36 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:climatix_pol909_firmware:*:*:*:*:advanced_web_module:*:*:* | before 11.36 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:climatix_pol909_firmware:*:*:*:*:advanced_web_and_bacnet_module:*:*:* | before 11.44 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:climatix_pol909:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:climatix_pol909_firmware:*:*:*:*:advanced_web_module:*:*:* Versions before 11.36 Vulnerable ·Siemens
- cpe:2.3:o:siemens:climatix_pol909_firmware:*:*:*:*:advanced_web_and_bacnet_module:*:*:* Versions before 11.44 Vulnerable ·Siemens
- cpe:2.3:h:siemens:climatix_pol909:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA Climatix POL909 (AWB module) (Siemens) Fixed in V11.44
- Fix · CNA Climatix POL909 (AWM module) (Siemens) Fixed in V11.36
Timeline
- 2026-10-02 Threatist record created from CVE-2021-41542
- 2026-10-03 Alias added: GHSA-fmgx-xc2g-vrvv
References
More Siemens Climatix Pol909 Firmware vulnerabilities
- TI-2021-17435 Cleartext transmission of sensitive information in Siemens Climatix POL909 CVSS 3.1HIGH 7.4
- TI-2021-18282 Improper access control in Siemens Climatix POL909 CVSS 3.1MEDIUM 6.5
- TI-2021-18280 Cross-site scripting in Siemens Climatix POL909 CVSS 3.1MEDIUM 6.1
- TI-2020-06098 Cross-site scripting in Siemens Climatix POL908 CVSS 3.1MEDIUM 6.1
- TI-2020-06097 Cross-site scripting in Siemens Climatix POL908 CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-41542 · CVE Program
- CVE-2021-41542 · NVD
- FIRST EPSS
- GHSA-fmgx-xc2g-vrvv · 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