VulnerabilityModified
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 to read unauthorized web pages in environments where NGINX is being fronted by a load balancer.
MEDIUM 5.3EPSS 15.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 14.96% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-444
- Affected
- f5/nginx · apple/xcode · canonical/ubuntu linux · opensuse/leap · netapp/cloud backup
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.htmlMailing List, Third Party Advisory
- http://nginx.org/en/CHANGESMitigation, Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdfExploit, Mitigation, Third Party Advisory
- https://duo.com/docs/dng-notes#version-1.5.4-january-2020Release Notes, Third Party Advisory
- https://github.com/kubernetes/ingress-nginx/pull/4859Patch, Third Party Advisory
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94ePatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200127-0003/Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/4235-1/Third Party Advisory
- https://usn.ubuntu.com/4235-2/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00013.htmlMailing List, Third Party Advisory
- http://nginx.org/en/CHANGESMitigation, Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Sep/36Mailing List, Third Party Advisory
- https://bertjwregeer.keybase.pub/2019-12-10%20-%20error_page%20request%20smuggling.pdfExploit, Mitigation, Third Party Advisory
- https://duo.com/docs/dng-notes#version-1.5.4-january-2020Release Notes, Third Party Advisory
- https://github.com/kubernetes/ingress-nginx/pull/4859Patch, Third Party Advisory
- https://github.com/nginx/nginx/commit/c1be55f97211d38b69ac0c2027e6812ab8b1b94ePatch, Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200127-0003/Third Party Advisory
- https://support.apple.com/kb/HT212818Third Party Advisory
- https://usn.ubuntu.com/4235-1/Third Party Advisory
- https://usn.ubuntu.com/4235-2/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.