CVE-2025-27494 — AI Deep Analysis Summary

🚨 **Essence**: A critical Input Validation Error in Siemens SiPass Integrated. 🛑 **Consequences**: Attackers can manipulate the REST API 'pubkey' endpoint.…

🔍 **Root Cause**: **CWE-20** (Improper Input Validation). 🐛 **Flaw**: The system fails to properly sanitize or validate inputs sent to the REST API's **pubkey** endpoint.…

🏢 **Vendor**: Siemens. 📦 **Product**: SiPass Integrated. 📉 **Affected Versions**: Specifically **AC5102 ACC-G2** and **ACC-AP V6.4.9** and all earlier versions. ✅ Check your version number immediately!

💀 **Attacker Actions**: Gain **Privilege Escalation**. 📂 **Data Impact**: Potential full compromise of access control logic. 🔓 **Result**: Unauthorized entry/exit control, bypassing physical security measures.…

🔐 **Auth Required**: **Yes**. The CVSS vector shows **PR:H** (Privileges Required: High). 🚧 **Threshold**: Moderate to High. An attacker needs existing high-level privileges to exploit this.…

🕵️ **Public Exploit**: **No**. The 'pocs' field in the data is empty. 📉 **Wild Exploitation**: Currently low. ⏳ **Status**: No known public Proof-of-Concept (PoC) or widespread automated attacks detected yet.…

🔎 **Self-Check**: 1. Verify your SiPass Integrated version (Is it ≤ V6.4.9?). 2. Audit REST API logs for abnormal requests to the **pubkey** endpoint.…

🛡️ **Official Fix**: **Yes**. Siemens has released a security advisory (SSA-515903). 📥 **Action**: Update to the patched version provided by Siemens.…

🚧 **No Patch Workaround**: 1. **Restrict Access**: Limit network access to the REST API endpoints. 🔒 2. **Least Privilege**: Ensure only essential high-privilege accounts exist. 👮 3.…

🔥 **Urgency**: **High Priority**. 📅 **Published**: March 11, 2025. ⚖️ **Risk**: CVSS Vector indicates High severity (C:H, I:H, A:H). 🚀 **Advice**: Even though auth is required, the impact is severe.…