A vulnerability has been identified in OpenPCS 7 V8.1 (All versions), OpenPCS 7 V8.2 (All versions), OpenPCS 7 V9.0 (All versions < V9.0 Upd3), SIMATIC BATCH V8.1 (All versions), SIMATIC BATCH V8.2 (All versions < V8.2 Upd12), SIMATIC BATCH V9.0 (All versions < V9.0 SP1 Upd5), SIMATIC NET PC Software V14 (All versions < V14 SP1 Update 14), SIMATIC NET PC Software V15 (All versions), SIMATIC NET PC Software V16 (All versions < V16 Update 1), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3), SIMATIC Route Control V8.1 (All versions), SIMATIC Route Control V8.2 (All versions), SIMATIC Route Control V9.0 (All versions < V9.0 Upd4), SIMATIC WinCC (TIA Portal) V13 (All versions < V13 SP2), SIMATIC WinCC (TIA Portal) V14 (All versions < V14 SP1 Update 10), SIMATIC WinCC (TIA Portal) V15.1 (All versions < V15.1 Update 5), SIMATIC WinCC (TIA Portal) V16 (All versions < V16 Update 1), SIMATIC WinCC V7.3 (All versions), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 14), SIMATIC WinCC V7.5 (All versions < V7.5 SP1 Update 1). Through specially crafted messages, when encrypted communication is enabled, an attacker with network access could use the vulnerability to compromise the availability of the system by causing a Denial-of-Service condition. Successful exploitation requires no system privileges and no user interaction.
| Software | From | Fixed in |
|---|---|---|
| siemens / simatic_pcs_7 | 8.1 | 8.1.x |
| siemens / simatic_pcs_7 | 8.2 | 8.2.x |
| siemens / simatic_wincc | 7.4-sp1 | 7.4-sp1.x |
| siemens / simatic_wincc | 7.4 | 7.4.x |
| siemens / simatic_wincc | 7.5.1 | 7.5.1.x |
| siemens / simatic_wincc | 14.0.1 | 14.0.1.x |
| siemens / simatic_wincc | 13-sp1 | 13-sp1.x |
| siemens / simatic_wincc | 13 | 13.x |
| siemens / simatic_net_pc | 16 | 16.x |
| siemens / simatic_net_pc | - | 16 |
| siemens / simatic_wincc | 7.5 | 7.5.x |
| siemens / simatic_route_control | 9.0 | 9.0.x |
| siemens / simatic_batch | 9.0 | 9.0.x |
| siemens / simatic_wincc | 7.5-sp1 | 7.5-sp1.x |
| siemens / simatic_wincc | 15.1 | 15.1.x |
| siemens / simatic_wincc | 15.1-update_1 | 15.1-update_1.x |
| siemens / simatic_wincc | 15.1-update_2 | 15.1-update_2.x |
| siemens / simatic_wincc | 15.1-update_3 | 15.1-update_3.x |
| siemens / simatic_wincc | 15.1-update_4 | 15.1-update_4.x |
| siemens / simatic_pcs_7 | 9.0 | 9.0.x |
| siemens / simatic_pcs_7 | 9.0-sp1 | 9.0-sp1.x |
| siemens / simatic_pcs_7 | 9.0-sp2 | 9.0-sp2.x |
| siemens / openpcs_7 | 9.0 | 9.0.x |
| siemens / simatic_route_control | - | 9.0 |
| siemens / simatic_wincc | 16 | 16.x |
| siemens / simatic_wincc | 7.4-sp1_update_1 | 7.4-sp1_update_1.x |
| siemens / simatic_wincc | 7.4-sp1_update_10 | 7.4-sp1_update_10.x |
| siemens / simatic_wincc | 7.4-sp1_update_11 | 7.4-sp1_update_11.x |
| siemens / simatic_wincc | 7.4-sp1_update_12 | 7.4-sp1_update_12.x |
| siemens / simatic_wincc | 7.4-sp1_update_13 | 7.4-sp1_update_13.x |
| siemens / simatic_wincc | 7.4-sp1_update_2 | 7.4-sp1_update_2.x |
| siemens / simatic_wincc | 7.4-sp1_update_3 | 7.4-sp1_update_3.x |
| siemens / simatic_wincc | 7.4-sp1_update_4 | 7.4-sp1_update_4.x |
| siemens / simatic_wincc | 7.4-sp1_update_5 | 7.4-sp1_update_5.x |
| siemens / simatic_wincc | 7.4-sp1_update_6 | 7.4-sp1_update_6.x |
| siemens / simatic_wincc | 7.4-sp1_update_7 | 7.4-sp1_update_7.x |
| siemens / simatic_wincc | 7.4-sp1_update_8 | 7.4-sp1_update_8.x |
| siemens / simatic_wincc | 7.4-sp1_update_9 | 7.4-sp1_update_9.x |
| siemens / openpcs_7 | 9.0_update_1 | 9.0_update_1.x |
| siemens / simatic_batch | 9.0-sp1 | 9.0-sp1.x |
| siemens / simatic_batch | 9.0-sp1_update_1 | 9.0-sp1_update_1.x |
| siemens / simatic_batch | 9.0-sp1_update_2 | 9.0-sp1_update_2.x |
| siemens / simatic_batch | 9.0-sp1_update_3 | 9.0-sp1_update_3.x |
| siemens / simatic_batch | 9.0-sp1_update_4 | 9.0-sp1_update_4.x |
A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.
CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.
A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.
Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.
Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.
SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.