High severity · published Oct 27, 2021
CVE-2021-22101
Cloud Controller versions prior to 1.118.0 are vulnerable to unauthenticated denial of Service(DoS) vulnerability allowing unauthenticated attackers to cause denial of service by…
7.5
CVSS
1%
EPSS
No
On KEV
Description
Cloud Controller versions prior to 1.118.0 are vulnerable to unauthenticated denial of Service(DoS) vulnerability allowing unauthenticated attackers to cause denial of service by using REST HTTP requests with label_selectors on multiple V3 endpoints by generating an enormous SQL query.
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)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Capi-release · Cloudfoundry
before 1.118.0 · source: NVD
CF
Cf-deployment · Cloudfoundry
before 16.24.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22101
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22101
Vendor Advisory
https://www.cloudfoundry.org/blog/cve-2021-22101-cloud-controller-is-vulnerable-to-unauthenticated-denial-of-service/
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