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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…
Medium5.3EPSS 15.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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 being fronted by a load balancer.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 15.0% · top 3.3% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf (opens in a new tab)x_refsource_MISCx_transferred
- http://nginx.org/en/CHANGES (opens in a new tab)x_refsource_MISCx_transferred
- https://duo.com/docs/dng-notes#version-1.5.4-january-2020 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/kubernetes/ingress-nginx/pull/4859 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-4235-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4235-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://security.netapp.com/advisory/ntap-20200127-0003/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2020:0204 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://support.apple.com/kb/HT212818 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20210921 APPLE-SA-2021-09-20-4 Xcode 13 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2019-20372)Record last updated .