CVE-2020-36309
Medium
Published: 06 April 2021
Published
06 April 2021
Modified
03 November 2025
KEV Added
—
Patch
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CVSS Score v3.1
5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.0042
62.5th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2020-36309 is a medium-severity an unspecified weakness vulnerability in Openresty Lua-Nginx-Module. Its CVSS base score is 5.3 (Medium).
Operationally, ranked in the top 37.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2020-23851
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
openresty
lua-nginx-module
≤ 0.10.16
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.