This article narrates the journey of a bug hunter, Hack-Bat, in discovering a critical vulnerability CVE-2025–4123 in Grafana through persistent enumeration and testing. It highlights the importance of persistence, methodical research, and the timely exploitation of fresh CVEs in cybersecurity investigations. #Grafana #CVECriticalVulnerability
Keypoints
- The bug hunter used Google Dorking to find potential targets but faced initial challenges.
- The discovery of CVE-2025–4123 in Grafana was a pivotal moment, revealing multiple attack vectors.
- Finding exposed Grafana instances involved extensive subdomain enumeration with multiple tools.
- Exploiting the vulnerability involved crafting specific payloads to test for SSRF, open redirects, and account takeover.
- Persistence, analysis, and documentation are critical for successful bug hunting and vulnerability discovery.
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