Vulnerability in Cloud Foundry Cf Deployment
CVE-2020-5420
Cloud Foundry Routing (Gorouter) versions prior to 0.206.0 allow a malicious developer with "cf push" access to cause denial-of-service to the CF cluster by pushing an app that returns specially crafted HTTP responses that crash the Gorouters.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Cloud Foundry Cf Deployment — versions All
- Cloud Foundry Routing — versions All
- Cloudfoundry Cf-Deployment
- Cloudfoundry Gorouter
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.cloudfoundry.org/blog/cve-2020-5420 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5420?
- CVE-2020-5420 is a high-severity vulnerability in Cloud Foundry Cf Deployment, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.7/10. Published 2020-09-03.
- How severe is CVE-2020-5420?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2020-5420 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.