A cross-site request forgery flaw was found in etcd 3.3.1 and earlier. An attacker can set up a website that tries to send a POST request to the etcd server and modify a key. Adding a key is done with PUT so it is theoretically safe (can't PUT from an HTML form or such) but POST allows creating in-order keys that an attacker can send.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade etcd | Jul 30, 2024 | Apr 3, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 3, 2018 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Apr 3, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 3, 2018 |
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