CVE-2011-4515 json
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable fi…
published 2013-03-21 13 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4441
- cvss
- 4.6
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 32%
- public exploits
- 0
- none known
Summary
Siemens WinCC (TIA Portal) 11 uses a reversible algorithm for storing HMI web-application passwords in world-readable and world-writable files, which allows local users to obtain sensitive information by leveraging (1) physical access or (2) Sm@rt Server access.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-13-079-03 updated cvss 4.6
Siemens WinCC TIA Portal Vulnerabilities
-
Siemens WinCC (TIA Portal) V11affected: mitigation
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-255 Credentials Management Errors
References
-
siemens.com
/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-212483.pdf
vendor-advisory
-
ics-cert.us-cert.gov
/pdf/ICSA-13-079-03.pdf
us-government-resource
Sources
- CVE List CVE-2011-4515
- NVD CVE-2011-4515
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.