4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.003 Low
EPSS
Percentile
68.1%
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.
nginx.org/en/CHANGES
bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf
duo.com/docs/dng-notes#version-1.5.4-january-2020
github.com/kubernetes/ingress-nginx/pull/4859
launchpad.net/bugs/cve/CVE-2019-20372
nvd.nist.gov/vuln/detail/CVE-2019-20372
security-tracker.debian.org/tracker/CVE-2019-20372
ubuntu.com/security/notices/USN-4235-1
ubuntu.com/security/notices/USN-4235-2
www.cve.org/CVERecord?id=CVE-2019-20372
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
0.003 Low
EPSS
Percentile
68.1%