Vulnerability in Siemens Simatic Step 7 \(Tia Portal\)
CVE-2018-11453
A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12 (All versions), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V13 (All versions < V13 SP2 Update 2), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V14 (All versions < V14 SP1 Update 6), SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V15 (All versions < V15 Update 2). Improper file permissions in the default installation of TIA Portal may allow an attacker with local file system access to insert specially crafted files which may prevent TIA Portal startup (Denial-of-Service) or lead to local code execution. No special privileges are required, but the victim needs to attempt to start TIA Portal after the manipulation.
EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Siemens Simatic_step_7_\(tia_portal\) — versions 10.0, 11.0, 12.0
- Siemens Simatic_wincc_\(tia_portal\) — versions 10.0, 11.0, 12.0
- Siemens Ag Simatic Step 7 (Tia Portal) And Wincc V10, V11, V12, V13, V14, V15 — versions SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V14 : All versions < V14 SP1 Update 6, SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V13 : All versions < V13 SP2 Update 2, SIMATIC STEP 7 (TIA Portal) and WinCC (TIA Portal) V10, V11, V12 : All versions
Weakness classification (CWE)
References
- productcert@siemens.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- productcert@siemens.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-11453?
- CVE-2018-11453 is a high-severity vulnerability in Siemens Simatic Step 7 \(Tia Portal\), classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2018-08-07.
- How severe is CVE-2018-11453?
- High severity. CVSS v3 base score is 7.8 out of 10.