Vulnerability in Openresty
CVE-2020-11724
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.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Openresty
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/openresty/openresty/blob/4e8b4c395f842a078e429c80dd063b2323999957/pa… (Patch, Third Party Advisory)
- github.com/openresty/lua-nginx-module/commit/9ab38e8ee35fc08a57636b1b6190dca70b… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/07/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4750 (vendor-advisory, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210129-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11724?
- CVE-2020-11724 is a high-severity vulnerability in Openresty, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2020-04-12.
- How severe is CVE-2020-11724?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-11724 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.