CVE-2020-5420: cloud foundry cf deployment
CVSS: 7.7v3.0HighModified
Published 03-09-2020Last modified 17-09-2024
Vulnerability summary
CVE-2020-5420 is a high (CVSS 7.7) vulnerability in cloud foundry cf deployment. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.3% of scored vulnerabilities.
CVSS score
7.7/10
010
High · v3.0 (CVE.org)EPSS score
1.18%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-09-2020PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 2 sources · 3 versionsHigh 7.7Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HSourcesSingle source
High 7.7Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.7HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.18%
Chance of exploitation in the next 30 days
Percentile
67%
Versus all other CVEs
30-day change
0.00 pp
From 1.18% on 19-09-2026
19-09-202619-10-2026
EPSS score1.18%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cloud foundry2 products
- cf deployment≥ All, < 13.15.0
- routing≥ All, < 0.206.0
Cloudfoundry2 products
- cf-deployment< 13.15.0
- gorouter< 0.206.0
2 vendors · 4 products