Vulnerability · Published Aug 21, 2020 · Assigned by pivotal

CVE-2020-5416CF clusters with NGINX in front of them may be vulnerable to DoS

High 7.7

In plain English

A high-severity security flaw in CF Deployment from Cloud Foundry. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.0)7.7High
Exploit odds (30 days)1.2%top 30.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Cloud Foundry Routing (Gorouter), versions prior to 0.204.0, when used in a deployment with NGINX reverse proxies in front of the Gorouters, is potentially vulnerable to denial-of-service attacks in which an unauthenticated malicious attacker can send specially-crafted HTTP requests that may cause the Gorouters to be dropped from the NGINX backend pool.

Affected products (as reported)

VendorProductVersions
Cloud Foundry Routing All – before 0.204.0
Cloud Foundry CF Deployment All – before 13.13.0

Weakness: CWE-404 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

References