7.5

CVE-2020-11724: debian debian_linux HTTP Request/Response Smuggling

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-11724USN-5371-3DEBIAN-CVE-2020-11724
Published 12-04-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-11724 is a high (CVSS 7.5) HTTP Request/Response Smuggling vulnerability in debian debian_linux. EPSS estimates a 2.59% chance of exploitation in the next 30 days, higher than 85% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-5371-1

Timeline

  1. 12-04-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.59%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • nginx< 1.18.0-5 | < 1.14.2-2+deb10u3 | < 1.10.3-1+deb9u5
  • debian_linuxEOL9.0 | 10.0
Openresty1 product
Ubuntu1 product
  • nginxAll versions (No fix recorded) | < 1.14.0-0ubuntu1.10 | < 1.18.0-0ubuntu1.3 | < 1.10.3-0ubuntu0.16.04.5+esm4

3 vendors · 4 products

References

10 links