High severity · published Dec 2, 2020
CVE-2020-5423
CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files…
7.5
CVSS
1.1%
EPSS
No
On KEV
Description
CAPI (Cloud Controller) versions prior to 1.101.0 are vulnerable to a denial-of-service attack in which an unauthenticated malicious attacker can send specially-crafted YAML files to certain endpoints, causing the YAML parser to consume excessive CPU and RAM.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Capi-release · Cloudfoundry
before 1.101.0 · source: NVD
CF
Cf-deployment · Cloudfoundry
before 15.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5423
Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2020-5423
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