CVE-2015-1355
CVE-2015-1355 is a low-severity vulnerability in Siemens Simatic Step 7 with a CVSS 2.0 base score of 2.1. 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-310.
Key facts
- Severity: Low (CVSS 2.0 base score 2.1)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-310
- Affected product: Siemens Simatic Step 7
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2015-1355?
- 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.
- How severe is CVE-2015-1355?
- CVE-2015-1355 has a CVSS 2.0 base score of 2.1, rated low severity.
- Is CVE-2015-1355 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-1355?
- CVE-2015-1355 affects Siemens Simatic Step 7. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-1355?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2015-1355 published?
- CVE-2015-1355 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:*:*:*:*:*:*:*:*
More vulnerabilities in Siemens Simatic Step 7
- CVE-2023-25910 — Critical (CVSS 10.0): A vulnerability has been identified in SIMATIC PCS 7 (All versions < V9.1 SP2 UC04), SIMATIC S7-PM (All versions < V5.7…
- CVE-2020-7587 — High (CVSS 8.2): A vulnerability has been identified in Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation…
- CVE-2021-42029 — High (CVSS 7.8): A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16…
- CVE-2020-7586 — High (CVSS 7.8): A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions…
- CVE-2020-7585 — High (CVSS 7.8): A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.0 (All versions…
- CVE-2015-1594 — Medium (CVSS 6.9): Untrusted search path vulnerability in Siemens SIMATIC ProSave before 13 SP1; SIMATIC CFC before 8.0 SP4 Upd9 and 8.1…
All CVEs affecting Siemens Simatic Step 7 →
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