Auth bypass in Cloud Foundry Capi

CVE-2020-5418

Cloud Foundry CAPI (Cloud Controller) versions prior to 1.98.0 allow authenticated users having only the "cloud_controller.read" scope, but no roles in any spaces, to list all droplets in all spaces (whereas they should see none).

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-5418: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-5418?
CVE-2020-5418 is a medium-severity vulnerability in Cloud Foundry Capi, classified under Incorrect Authorization. CVSS score: 4.3/10. Published 2020-09-03.
How severe is CVE-2020-5418?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-5418 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.