CVE-2021-1498 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-78** (OS Command Injection). 🔍 **Flaw**: The web-based management interface fails to properly sanitize user inputs, allowing malicious commands to be injected and executed by the OS.

Q: Who is affected? (Versions/Components)

🏢 **Affected**: **Cisco HyperFlex HX Data Platform**. 📦 **Vendor**: Cisco. ⚠️ **Scope**: Specifically the web-based management interface components of this enterprise storage solution.

Q: Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. 🔑 **Auth**: **Unauthenticated** (PR:N). 🌐 **Access**: Remote (AV:N). 👁️ **UI**: None required (UI:N). 🎯 **Complexity**: Low (AC:L). Easy to exploit!

Q: Is there a public Exp? (PoC/Wild Exploitation)

🔓 **Public Exp?**: **YES**. 📂 **PoC**: Available via Nuclei templates (ProjectDiscovery). 🌍 **Wild Exp**: Referenced in PacketStorm Security. Active exploitation is feasible for skilled attackers.

Q: Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **YES**. 📜 **Official**: Cisco released a Security Advisory (cisco-sa-hyperflex-rce-TjjNrkpR) on May 5, 2021. 🔄 **Action**: Update to the patched version immediately.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⚡ **Priority**: **P1**. 🚀 **Reason**: Unauthenticated RCE with high CVSS score. Patch immediately to prevent total infrastructure compromise.

Updated May 06, 2026 CVSS 9.8 · Critical

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Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Cisco HyperFlex HX Data Platform suffers from **OS Command Injection**. <br>💥 **Consequences**: Unauthenticated attackers can execute arbitrary commands on the affected device.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-78** (OS Command Injection). <br>🔍 **Flaw**: The web-based management interface fails to properly sanitize user inputs, allowing malicious commands to be injected and executed by the OS.

Q3Who is affected? (Versions/Components)

🏢 **Affected**: **Cisco HyperFlex HX Data Platform**. <br>📦 **Vendor**: Cisco. <br>⚠️ **Scope**: Specifically the web-based management interface components of this enterprise storage solution.

Q4What can hackers do? (Privileges/Data)

💻 **Privileges**: Attackers gain **Remote Code Execution (RCE)**. <br>🔓 **Data**: Full control over the underlying OS.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. <br>🔑 **Auth**: **Unauthenticated** (PR:N). <br>🌐 **Access**: Remote (AV:N). <br>👁️ **UI**: None required (UI:N). <br>🎯 **Complexity**: Low (AC:L). Easy to exploit!

Q6Is there a public Exp? (PoC/Wild Exploitation)

🔓 **Public Exp?**: **YES**. <br>📂 **PoC**: Available via Nuclei templates (ProjectDiscovery). <br>🌍 **Wild Exp**: Referenced in PacketStorm Security. Active exploitation is feasible for skilled attackers.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **Cisco HyperFlex HX** web interfaces. <br>🛠️ **Tools**: Use **Nuclei** with the specific CVE-2021-1498 template.…

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Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed?**: **YES**. <br>📜 **Official**: Cisco released a Security Advisory (cisco-sa-hyperflex-rce-TjjNrkpR) on May 5, 2021. <br>🔄 **Action**: Update to the patched version immediately.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Mitigation**. <br>🚫 **Block**: Restrict access to the web management interface via **Firewall/WAF**.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⚡ **Priority**: **P1**. <br>🚀 **Reason**: Unauthenticated RCE with high CVSS score. Patch immediately to prevent total infrastructure compromise.

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Vulnerability detail Full AI analysis (login) Cisco CWE-78