CVE-2021-29622 — AI Deep Analysis Summary

🚨 **Essence**: Prometheus suffers from an **Input Validation Error** (Open Redirect). 📉 **Consequences**: Attackers can redirect users to **any malicious URL**.…

🛡️ **Root Cause**: **CWE-601** (Open Redirect). The flaw lies in the URL redirection logic.…

📦 **Affected Versions**: Prometheus **2.23.0 through 2.26.0** AND **2.27.0**. 🏢 **Vendor/Product**: Prometheus (Open-source time-series database). If you are running these specific versions, you are vulnerable.

💰 **Attacker Capabilities**: - **Privileges**: Low (Requires User Interaction). - **Data Impact**: **High Integrity (I:H)**. Attackers can modify data or execute unauthorized operations.…

🔓 **Exploitation Threshold**: **Medium**. - **Network**: Remote (AV:N). - **Complexity**: Low (AC:L). - **Auth**: None required (PR:N). - **UI**: **Required** (UI:R). The victim must **click a malicious link**.…

💣 **Public Exploit**: **Yes**. A PoC is available via **Nuclei templates** (projectdiscovery). 🌐 Wild exploitation is possible via social engineering (phishing links). No complex binary exploitation needed.

🔍 **Self-Check**: 1. Check your Prometheus version. Is it **2.23.0 - 2.27.0**? 2. Use **Nuclei** with the specific CVE template to scan for the redirect behavior. 3.…

✅ **Official Fix**: **Yes**. - **Patch**: Upgrade to **v2.26.1** or **v2.27.1**. - **Advisory**: See GitHub Security Advisory **GHSA-vx57-7f4q-fpc7**. 📅 Published: May 19, 2021.

🚧 **No Patch Workaround**: - **Mitigation**: Implement **WAF rules** to block suspicious redirect URLs. - **User Education**: Warn users not to click untrusted links pointing to Prometheus UI.…

⚡ **Urgency**: **High Priority**. - **CVSS**: 6.1 (Medium), but **I:H** makes it dangerous for data integrity. - **Ease**: Very easy to exploit via phishing.…