Vulnerability Description
ngx_http_lua_module (aka lua-nginx-module) before 0.10.16 in OpenResty allows unsafe characters in an argument when using the API to mutate a URI, or a request or response header.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openresty | Lua-Nginx-Module | < 0.10.16 |
References
- https://github.com/openresty/lua-nginx-module/compare/v0.10.15...v0.10.16PatchThird Party Advisory
- https://github.com/openresty/lua-nginx-module/pull/1654PatchThird Party Advisory
- https://news.ycombinator.com/item?id=26712562Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0005/Third Party Advisory
- https://github.com/openresty/lua-nginx-module/compare/v0.10.15...v0.10.16PatchThird Party Advisory
- https://github.com/openresty/lua-nginx-module/pull/1654PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00026.html
- https://news.ycombinator.com/item?id=26712562Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0005/Third Party Advisory
FAQ
What is CVE-2020-36309?
CVE-2020-36309 is a vulnerability with a CVSS score of 5.3 (MEDIUM). ngx_http_lua_module (aka lua-nginx-module) before 0.10.16 in OpenResty allows unsafe characters in an argument when using the API to mutate a URI, or a request or response header.
How severe is CVE-2020-36309?
CVE-2020-36309 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-36309?
Check the references section above for vendor advisories and patch information. Affected products include: Openresty Lua-Nginx-Module.