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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: A critical security flaw in **Zowe API Mediation Layer**. It allows unauthorized access to endpoints requiring internal client certificates.β¦
π‘οΈ **Root Cause**: The vulnerability lies in the **authentication bypass mechanism** of the API Mediation Layer. It fails to properly validate or enforce internal client certificate requirements for specific endpoints.β¦
π΅οΈ **Public Exploit**: **No**. The `pocs` field is empty. π« **Wild Exploitation**: No evidence of active wild exploitation in the provided data. However, the severity suggests it is a prime target for future PoCs.
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for **Zowe API Mediation Layer** instances. π **Feature**: Check if endpoints requiring client certificates are accessible without valid certificates.β¦
π οΈ **Official Fix**: The vendor is **Open Mainframe Project**. π **Reference**: Check the official GitHub repo (`https://github.com/zowe/api-layer`) for patches.β¦
π₯ **Urgency**: **CRITICAL**. π¨ **Priority**: Immediate action required. With **CVSS 3.1/AV:N/PR:N/S:C/C:H/I:H/A:H**, this is a high-severity vulnerability.β¦