Critical · published October 5, 2021
CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.
🚨 Unauthenticated users could delete critical dashboard snapshots in Grafana! It’s like handing out keys to your data without checking who’s at the door. 🔥 Think of a restaurant where the kitchen staff not only sees every order but can also delete any dish on the menu without permission — chaos! This vulnerability enables unauthorized access to sensitive snapshots and even allows deletion, which could leave your data kitchen empty. An attacker could walk in and delete the most crucial snapshots, leading to complete data loss. This would not just hinder data analysis but could result in an absolute disaster for teams relying on that information for decision-making!
Think of a restaurant where the kitchen staff not only sees every order but can also delete any dish on the menu without permission — chaos! This vulnerability enables unauthorized access to sensitive snapshots and even allows deletion, which could leave your data kitchen empty. CVE-2021-39226 allows both unauthenticated and authenticated users to view and delete the snapshot with the lowest database key via specific API calls, especially when the 'public_mode' setting is enabled.
An attacker could walk in and delete the most crucial snapshots, leading to complete data loss. This would not just hinder data analysis but could result in an absolute disaster for teams relying on that information for decision-making! Upgrade to Grafana versions 8.1.6 or 7.5.11 immediately to secure your data! If upgrading isn't feasible, consider using a reverse proxy to block access to the vulnerable paths: /api/snapshots/:key, /api/snapshots-delete/:deleteKey, and /dashboard/snapshot/:key. You've got this! Implement these fixes, and you'll have your Grafana environment locked down tight! 🛡️