CVE-2019-20372
MEDIUM
5.3
CVSS Score
Published: January 9, 2020 at 08:05 PM UTC
Updated: June 17, 2026 at 02:30 AM UTC
5 products affected across 5 vendorsUbuntu LinuxLeapCloud Backup
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.3
Exploit prediction
EPSS 15%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 13.0
Affected range stops below 13.0, so it looks safe — our inference, not a vendor statement
Ubuntu Linux· Canonicalrubygems
95%v < 1.17.7
Affected range stops below 1.17.7, so it looks safe — our inference, not a vendor statement
Cloud Backup· NetAppdrupal
95%All versions
Leap· openSUSEdrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.html
- http://nginx.org/en/CHANGES
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdf
- https://github.com/kubernetes/ingress-nginx/pull/4859
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94e
References (11)
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.htmlx_refsource_MISCMitigationRelease NotesVendor Advisory
Source: [email protected]
http://nginx.org/en/CHANGESMailing Listx_refsource_FULLDISCThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Sep/36x_refsource_MISCExploitMitigationThird Party Advisory
Source: [email protected]
https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdfx_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://duo.com/docs/dng-notes#version-1.5.4-january-2020x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/kubernetes/ingress-nginx/pull/4859x_refsource_CONFIRMPatchVendor Advisory
Source: [email protected]
https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94ex_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20200127-0003/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- LOW
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-444
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card