Improper input validation in Siemens Pcs 7
CVE-2017-6865
A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC Automation Tool (All versions < V3.0), SIMATIC NET PC-Software (All versions < V14 SP1), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC STEP 7 (TIA Portal) V13 (All versions < V13 SP2), SIMATIC STEP 7 (TIA Portal) V14 (All versions < V14 SP1), SIMATIC STEP 7 V5.X (All versions < V5.6), SIMATIC WinAC RTX 2010 SP2 (All versions), SIMATIC WinAC RTX F 2010 SP2 (All versions), SIMATIC WinCC (TIA Portal) V13 (All versions < V13 SP2), SIMATIC WinCC (TIA Portal) V14 (All versions < V14 SP1), SIMATIC WinCC V7.2 and prior (All versions), SIMATIC WinCC V7.3 (All versions < V7.3 Update 15), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Upd1), SIMATIC WinCC flexible 2008 (All versions < flexible 2008 SP5), SINAUT ST7CC (All versions installed in conjunction with SIMATIC WinCC < V7.3 Update 15), SINEMA Server (All versions < V14), SINUMERIK 808D Programming Tool (All versions < V4.7 SP4 HF2), SMART PC Access (All versions < V2.3), STEP 7 - Micro/WIN SMART (All versions < V2.3), Security Configuration Tool (SCT) (All versions < V5.0). Specially crafted PROFINET DCP broadcast packets sent to the affected products on a local Ethernet segment (Layer 2) could cause a Denial-of-Service condition of some services. The services require manual restart to recover.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.005 (38.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Pcs_7
- Siemens Primary_setup_tool
- Siemens Security_configuration_tool
- Siemens Simatic_automation_tool
- Siemens Simatic_net_pc-software
- Siemens Simatic_step_7_micro\/win_smart
- Siemens Simatic_step_7_\(tia_portal\) — versions 5.0, 13.0, 14.0
- Siemens Simatic_winac_rtx_2010
- Siemens Simatic_winac_rtx_f_2010
- Siemens Simatic_wincc
Weakness classification (CWE)
References
- productcert@siemens.com (x_refsource_CONFIRM)
- productcert@siemens.com (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-6865?
- CVE-2017-6865 is a medium-severity vulnerability in Siemens Pcs 7, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-05-11.
- How severe is CVE-2017-6865?
- Medium severity. CVSS v3 base score is 6.5 out of 10.