The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1…
Priority LOW 22CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-200.
Summary
The Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, exhibits different behavior for NetBIOS user names depending on whether the user account exists, which allows remote authenticated users to enumerate account names via crafted URL parameters.
Why it matters now
EPSS 0.01332 71st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:siemens:simatic_pcs7:*:sp1:*:*:*:*:*:* | up to 8.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:* | up to 7.2 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:* | 7.0 sp1 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:* | 7.0 sp2 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.0:sp3:*:*:*:*:*:* | 7.0 sp3 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:wincc:7.1:sp1:*:*:*:*:*:* | 7.1 sp1 | Vulnerable | Siemens |
- cpe:2.3:a:siemens:simatic_pcs7:*:sp1:*:*:*:*:*:* Versions up to 8.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:simatic_pcs7:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:*:*:*:*:*:*:*:* Versions up to 7.2 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.0:sp1:*:*:*:*:*:* Versions 7.0 sp1 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.0:sp2:*:*:*:*:*:* Versions 7.0 sp2 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.0:sp3:*:*:*:*:*:* Versions 7.0 sp3 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Siemens
- cpe:2.3:a:siemens:wincc:7.1:sp1:*:*:*:*:*:* Versions 7.1 sp1 Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2013-3959
- 2026-10-03 Alias added: GHSA-f45g-fr2h-mfp5
References
More Siemens Simatic Pcs7 vulnerabilities
- TI-2014-07026 The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3… CVSS 2.0HIGH 10.0
- TI-2017-08864 An XXE vulnerability has been identified in OPC Foundation UA .NET Sample Code before… CVSS 3.0HIGH 8.2
- TI-2013-03460 The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as… CVSS 2.0HIGH 7.5
- TI-2012-02631 SQL injection vulnerability in WebNavigator in Siemens WinCC 7.0 SP3 and earlier, as used… CVSS 2.0HIGH 7.5
- TI-2013-03459 SQL injection vulnerability in the login screen in the Web Navigator in Siemens WinCC… CVSS 2.0HIGH 7.5
- TI-2013-00565 Buffer overflow in the RegReader ActiveX control in Siemens WinCC before 7.2, as used in… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2013-3959 · CVE Program
- CVE-2013-3959 · NVD
- FIRST EPSS
- GHSA-f45g-fr2h-mfp5 · GitHub Advisory Database · CC BY 4.0
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