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Unrated severityNVD Advisory· Published Apr 12, 2022· Updated Aug 4, 2024

CVE-2021-42029

CVE-2021-42029

Description

A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) V15 (All versions), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 5), SIMATIC STEP 7 (TIA Portal) V17 (All versions < V17 Update 2). An attacker could achieve privilege escalation on the web server of certain devices due to improper access control vulnerability in the engineering system software. The attacker needs to have direct access to the impacted web server.

Affected products

4
  • Siemens Foundation/Simatic Step 7 \(tia Portal\)llm-fuzzy4 versions
    V15 (All versions), V16 (All versions < V16 Update 5), V17 (All versions < V17 Update 2)+ 3 more
    • (no CPE)range: V15 (All versions), V16 (All versions < V16 Update 5), V17 (All versions < V17 Update 2)
    • (no CPE)range: All versions
    • (no CPE)range: All versions < V16 Update 5
    • (no CPE)range: All versions < V17 Update 2

Patches

Vulnerability mechanics

References

1

News mentions

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