CVE-2019-20372
NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is
02 Description
NGINX before 1.17.7, with certain error_page configurations, allows HTTP request smuggling, as demonstrated by the ability of an attacker to read unauthorized web pages in environments where NGINX is
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 14.96% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.4% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-01-09 20:05Z6 YR AGO
- Last updated
- 2024-08-05 02:39Z2 YR AGO
- Reserved
- 2020-01-09
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base
- Data version
- 5.1
- Document digest
- d7809bebc8f11413b5e8484a8ff67779d4c57c83ce50842e5307061ecd6c986a
05 Affected products
06 References
- bertjwregeer.keybase.pubhttps://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf
- nginx.orghttp://nginx.org/en/CHANGES
- duo.comhttps://duo.com/docs/dng-notes#version-1.5.4-january-2020
- github.comhttps://github.com/kubernetes/ingress-nginx/pull/4859
- github.comhttps://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e
- usn.ubuntu.comUSN-4235-1https://usn.ubuntu.com/4235-1/
- usn.ubuntu.comUSN-4235-2https://usn.ubuntu.com/4235-2/
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200127-0003/
- lists.opensuse.orgopenSUSE-SU-2020:0204http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html
- support.apple.comhttps://support.apple.com/kb/HT212818
- seclists.org20210921 APPLE-SA-2021-09-20-4 Xcode 13http://seclists.org/fulldisclosure/2021/Sep/36
07 Fixed in
Debian 12
- nginx Fixed in 1.16.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nginx Fixed in 1.16.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nginx Fixed in 1.16.1-3
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- nginx Fixed in 1.10.3-0ubuntu0.16.04.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- nginx Fixed in 1.14.0-0ubuntu1.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- nginx Fixed in 1.4.6-1ubuntu3.9+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.