CVE & CISA-KEV Catalog

CVE-2019-20372

MEDIUMEPSS 96th pctl
5.3
CVSS v3
NVD

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.

How to fix

Remediation Available
nginxDebian
Fixed in:1.16.1-3CVE-2019-20372
Fixed in:1.16.1-3CVE-2019-20372
Fixed in:1.16.1-3CVE-2019-20372
Fixed in:1.16.1-3CVE-2019-20372
nginxUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1
nginx-commonUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1
nginx-coreUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1
nginx-extrasUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1
nginx-fullUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1
nginx-lightUbuntu
Fixed in:1.4.6-1ubuntu3.9+esm1USN-4235-2
Fixed in:1.10.3-0ubuntu0.16.04.5USN-4235-1
Fixed in:1.14.0-0ubuntu1.7USN-4235-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityLow
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

14.96%probability of exploitation in 30 days
96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Related Vulnerabilities

Other CWE-444 vulnerabilities, ordered by exploit likelihood. View all

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CVE-2022-22536Critical10.098%KEV-
CVE-2025-61884High7.598%KEV + Ransom-
CVE-2020-9490High7.590%-Fix
CVE-2023-41265Critical9.685%KEV + Ransom-
CVE-2023-25690Critical9.884%-Fix
CVE-2022-32214Medium6.581%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.