High severity · published Sep 3, 2020
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…
7.7
CVSS
1.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cf-deployment · Cloudfoundry
before 13.15.0 · source: NVD
GO
Gorouter · Cloudfoundry
before 0.206.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5420
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5420
Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2020-5420
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