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CVE-2019-20372 Detail


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 being fronted by a load balancer.


CVSS 3.x Severity and Metrics:

Base Score:  5.3 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html Mailing List  Third Party Advisory 
http://nginx.org/en/CHANGES Mitigation  Release Notes  Vendor Advisory 
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List  Third Party Advisory 
https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf Exploit  Mitigation  Third Party Advisory 
https://duo.com/docs/dng-notes#version-1.5.4-january-2020 Release Notes  Third Party Advisory 
https://github.com/kubernetes/ingress-nginx/pull/4859 Patch  Third Party Advisory 
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e Patch  Vendor Advisory 
https://security.netapp.com/advisory/ntap-20200127-0003/ Third Party Advisory 
https://support.apple.com/kb/HT212818 Third Party Advisory 
https://usn.ubuntu.com/4235-1/ Third Party Advisory 
https://usn.ubuntu.com/4235-2/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') cwe source acceptance level NIST  

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
NVD Published Date:
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