CVE-2013-3958
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in...
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.
Exploit likelihood
What each source reports
NVD Score used
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.
- Record
CVE-2013-3958- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.
- Record
CVE-2013-3958- Updated
- 2026-11-02
EUVDEUVD-2013-3890 No score
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.
- Record
EUVD-2013-3890- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5vff-97qq-6xwp No score
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in...
The login implementation in the Web Navigator in Siemens WinCC before 7.2 Update 1, as used in SIMATIC PCS7 8.0 SP1 and earlier and other products, has a hardcoded account, which makes it easier for remote attackers to obtain access via an unspecified request.
- Record
GHSA-5vff-97qq-6xwp- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-3958 is a high vulnerability (CVSS 7.5) in Siemens Simatic Pcs7, published June 14, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.93%, the 80th percentile. No source names a fixed version.