Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 uses a weak password-hash algorithm…
Priority LOW 11CWE-310Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 uses a weak password-hash algorithm, which makes it easier for local users to determine cleartext passwords by reading a project file and conducting a brute-force attack.
Why it matters now
EPSS 0.0037 31st 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2015-1355
- 2026-10-03 Alias added: GHSA-w87c-h73m-6vrq
References
More Siemens Simatic Step 7 vulnerabilities
- TI-2023-11164 Code injection in Siemens SIMATIC PCS 7 CVSS 3.1CRITICAL 10.0
- TI-2020-06109 Uncontrolled resource consumption in Siemens Opcenter Execution Discrete CVSS 3.1HIGH 8.2
- TI-2021-18550 Improper access control in Siemens SIMATIC STEP 7 V15 CVSS 3.1HIGH 7.8
- TI-2020-06108 Heap-based buffer overflow in Siemens SIMATIC PCS 7 V8.2 and earlier CVSS 3.1HIGH 7.8
- TI-2020-06107 Uncontrolled search path in Siemens SIMATIC PCS 7 V8.2 and earlier CVSS 3.1HIGH 7.8
- TI-2015-01433 Siemens SIMATIC STEP 7 (TIA Portal) 12 and 13 before 13 SP1 Upd1 allows man-in-the-middle… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2015-1355 · CVE Program
- CVE-2015-1355 · NVD
- FIRST EPSS
- GHSA-w87c-h73m-6vrq · GitHub Advisory Database · CC BY 4.0
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