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Vulnerability details: VCID-qeft-42gz-2bbq
Vulnerability ID VCID-qeft-42gz-2bbq
Aliases CVE-2020-36309
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 4.8
Risk 2.4
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00189 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
epss 0.00227 https://api.first.org/data/v1/epss?cve=CVE-2020-36309
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-36309
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-36309
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-36309
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36309
https://github.com/openresty/lua-nginx-module/compare/v0.10.15...v0.10.16
https://github.com/openresty/lua-nginx-module/pull/1654
https://news.ycombinator.com/item?id=26712562
https://security.netapp.com/advisory/ntap-20210507-0005/
986787 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986787
cpe:2.3:a:openresty:lua-nginx-module:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:openresty:lua-nginx-module:*:*:*:*:*:*:*:*
CVE-2020-36309 https://nvd.nist.gov/vuln/detail/CVE-2020-36309
USN-5371-1 https://usn.ubuntu.com/5371-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36309
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-36309
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.40962
EPSS Score 0.00189
Published At Sept. 9, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:43:17.473641+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5371-1/ 37.0.0