Apache APISIX Authentication Bypass Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 25/08/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| apisix | ≥ 2.11.0, < 2.12.1< 2.10.4 | 2.12.12.10.4 |
An attacker can abuse the batch-requests plugin to send requests to bypass the IP restriction of Admin API. A default configuration of Apache APISIX (with default API key) is vulnerable to remote code execution. When the admin key was changed or the port of Admin API was changed to a port different from the data panel, the impact is lower. But there is still a risk to bypass the IP restriction of Apache APISIX's data panel. There is a check in the batch-requests plugin which overrides the client IP with its real remote IP. But due to a bug in the code, this check can be bypassed.
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