CVE-2021-21975 — AI Deep Analysis Summary

🚨 **Essence**: SSRF & Arbitrary File Write in VMware vRealize Operations. 💥 **Consequences**: Attackers can steal admin credentials via Server-Side Request Forgery.…

🛡️ **Root Cause**: Server-Side Request Forgery (SSRF) flaw. The application fails to properly validate user-supplied input when updating address servers, allowing malicious requests.…

📦 **Affected Products**: VMware vRealize Operations (v8.3.0, 8.2.0, 8.1.1, 8.1.0, 7.5.0). Also impacts VMware Cloud Foundation (4.x, 3.x) and vRealize Suite Lifecycle Manager (8.x).

🕵️ **Attacker Actions**: Perform SSRF attacks to steal administrative credentials. This leads to unauthorized access and potential full system compromise. High risk level (Score: 8.6).

🔓 **Exploitation Threshold**: Network access to the API is required. No authentication is explicitly mentioned as a prerequisite for the SSRF itself, making it accessible to network-level attackers.

💻 **Public Exploits**: YES. Multiple PoCs available on GitHub (e.g., Henry4E36, dorkerdevil, Al1ex). Includes Python scripts and Nmap scripts for detection and exploitation.

🔍 **Self-Check**: Use Nmap scripts (`cve-21975.nse`) or Python PoCs. Check for the specific API endpoints vulnerable to SSRF. Look for VMSA-2021-0004 advisories.

✅ **Official Fix**: YES. VMware released VMSA-2021-0004 on March 31, 2021. Patches are available for the affected versions. Update immediately.

🚧 **No Patch Workaround**: Restrict network access to the vRealize Operations API. Implement strict firewall rules. Monitor logs for unusual SSRF requests. Isolate the affected system.

⚡ **Urgency**: HIGH. CVSS Score 8.6. Active PoCs exist. Credential theft is a critical threat. Prioritize patching or mitigation immediately to prevent unauthorized access.