CVE-2015-1356
CVE-2015-1356 is a medium-severity vulnerability in Siemens Simatic Step 7 with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.4)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-264
- Affected product: Siemens Simatic Step 7
- Published:
- Last modified:
Description
Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 determines a user's privileges on the basis of project-file fields that lack integrity protection, which allows remote attackers to establish arbitrary authorization data via a modified file.
Frequently asked questions
- What is CVE-2015-1356?
- Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 determines a user's privileges on the basis of project-file fields that lack integrity protection, which allows remote attackers to establish arbitrary authorization data via a modified file.
- How severe is CVE-2015-1356?
- CVE-2015-1356 has a CVSS 2.0 base score of 4.4, rated medium severity.
- Is CVE-2015-1356 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-1356?
- CVE-2015-1356 affects Siemens Simatic Step 7. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-1356?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-1356 published?
- CVE-2015-1356 was published on 2015-02-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:siemens:simatic_step_7:*:*:*:*:*:*:*:*
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