CVE-2023-20881 - Vulnerability Details - OpenCVE

Cloud foundry instances having CAPI version between 1.140 and 1.152.0 along with loggregator-agent v7+ may override other users syslog drain credentials if they're aware of the client certificate used for that syslog drain. This applies even if the drain has zero certs. This would allow the user to override the private key and add or modify a certificate authority used for the connection.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00111.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Cloudfoundry	Capi-release Cf-deployment Loggregator-agent

Configuration 1 [-]

OR	cpe:2.3:a:cloudfoundry:capi-release::::::::
	cpe:2.3:a:cloudfoundry:cf-deployment::::::::
	cpe:2.3:a:cloudfoundry:loggregator-agent::::::::

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2023-25053	Cloud foundry instances having CAPI version between 1.140 and 1.152.0 along with loggregator-agent v7+ may override other users syslog drain credentials if they're aware of the client certificate used for that syslog drain. This applies even if the drain has zero certs. This would allow the user to override the private key and add or modify a certificate authority used for the connection.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.cloudfoundry.org/blog/cve-2023-20881-cas-for-syslog-drain-mtls-feature-can-be-overwritten/

History

Tue, 21 Jan 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: vmware

Published: 2023-05-19T00:00:00

Updated: 2025-01-21T20:04:58.397Z

Reserved: 2022-11-01T00:00:00

Link: CVE-2023-20881

Vulnrichment

Updated: 2024-08-02T09:21:33.175Z

NVD

Status : Modified

Published: 2023-05-19T15:15:08.673

Modified: 2025-01-21T20:15:28.703

Link: CVE-2023-20881

Redhat

No data.

OpenCVE Enrichment

No data.

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