CVE-2020-11724 json
An issue was discovered in OpenResty before 1.15.8.4.
published 2020-04-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4066
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
An issue was discovered in OpenResty before 1.15.8.4. ngx_http_lua_subrequest.c allows HTTP request smuggling, as demonstrated by the ngx.location.capture API.
Patch / fix
- openresty openresty 1.15.8.4
- nginx Debian 14, Debian 13, Debian 12 1.18.0-5
debian advisories DEBIAN-CVE-2020-11724
- nginx Ubuntu 18.04 LTS 1.14.0-0ubuntu1.10
- nginx Ubuntu 20.04 LTS 1.18.0-0ubuntu1.3
- nginx Ubuntu Pro 16.04 LTS 1.10.3-0ubuntu0.16.04.5+esm4
ubuntu advisories UBUNTU-CVE-2020-11724
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
2.59% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-444 Inconsistent Interpretation of HTTP Requests
References
-
github.com
/openresty/lua-nginx-module/commit/9ab38e8ee35fc08a57636b1b6190dca70b0076fa
patch, third-party-advisory
-
github.com
/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/patches/ngx_http_lua-0.10.15-fix_location_c
patch, third-party-advisory
-
debian.org
/security/2020/dsa-4750
vendor-advisory, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/07/msg00014.html
mailing-list, third-party-advisory
-
security.netapp.com
/advisory/ntap-20210129-0002/
third-party-advisory
Sources
- CVE List CVE-2020-11724
- NVD CVE-2020-11724
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.