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CVE-2021-22100

MEDIUM
5.3
CVSS Score
Published: March 25, 2022 at 06:02 PM UTC
Updated: June 17, 2026 at 03:36 AM UTC
3 products affected across 2 vendorsCF DeploymentCapi ReleaseCloud Foundry Cloud Controller

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.9%

Description

In cloud foundry CAPI versions prior to 1.122, a denial-of-service attack in which a developer can push a service broker that (accidentally or maliciously) causes CC instances to timeout and fail is possible. An attacker can leverage this vulnerability to cause an inability for anyone to push or manage apps.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Capi Release· Cloudfoundry
95%
v < 1.122.0
Affected range stops below 1.122.0, so it looks safe — our inference, not a vendor statement
CF Deployment· Cloudfoundry
95%
v < 17.1.0
Affected range stops below 17.1.0, so it looks safe — our inference, not a vendor statement
Cloud Foundry Cloud Controller· VMware
60%
v < 1.122.0
Affected range stops below 1.122.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.cloudfoundry.org/blog/cve-2021-22100-cloud-controller-is-vulnerable-to-denial-of-service-due-to-misbehaving-service-brokers/

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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