CVE-2024-30321: Siemens SIMATIC Pcs 7

Medium severity, CVSS 5.9. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 5), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 23), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 17), SIMATIC WinCC V8.0 (All versions < V8.0 Update 5). The affected products do not properly handle certain requests to their web application, which may lead to the leak of privileged information. This could allow an unauthenticated remote attacker to retrieve information such as users and passwords.

Affected products

• Siemens SIMATIC Pcs 7: from 9.1, before 10 (fixed in 10)
• Siemens SIMATIC Pcs 7 v9.1: before V9.1 SP2 UC05 (fixed in V9.1 SP2 UC05)
• Siemens SIMATIC Wincc: from 7.4, before 7.4_sp1_update_23 (fixed in 7.4_sp1_update_23); from 7.5, before 7.5_sp2_update_17 (fixed in 7.5_sp2_update_17); from 8.0, before 8.0_update_5 (fixed in 8.0_update_5)
• Siemens SIMATIC Wincc Runtime Professional: from 18, before 19 (fixed in 19); from 19, before 19_update_2 (fixed in 19_update_2)
• Siemens SIMATIC Wincc Runtime Professional v18: before V18 Update 5 (fixed in V18 Update 5)
• Siemens SIMATIC Wincc Runtime Professional v19: before V19 Update 2 (fixed in V19 Update 2)
• Siemens SIMATIC Wincc v7.4
• Siemens SIMATIC Wincc v7.5
• Siemens SIMATIC Wincc v8.0: before V8.0 Update 5 (fixed in V8.0 Update 5)

Published 2024-07-09. Last modified 2026-06-17.