Critical

VMSA-2021-0005
9.1
2021-04-01
2021-04-01 (Initial Advisory)
CVE-2021-21982
VMware Carbon Black Cloud Workload appliance update addresses incorrect URL handling vulnerability (CVE-2021-21982)

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1. Impacted Products
  • VMware Carbon Black Cloud Workload appliance.
2. Introduction

A vulnerability in VMware Carbon Black Cloud Workload appliance was privately reported to VMware. An update is available to remediate this vulnerability in the affected versions of the appliance.

3. Advisory Details

Description

A URL on the administrative interface of the VMware Carbon Black Cloud Workload appliance can be manipulated to bypass authentication. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.1.

Known Attack Vectors

A malicious actor with network access to the administrative interface of the VMware Carbon Black Cloud Workload appliance may be able to obtain a valid authentication token, granting access to the administration API of the appliance. Successful exploitation of this issue would result in the attacker being able to view and alter administrative configuration settings.

Resolution

To remediate CVE-2021-21982 apply the updates listed in the 'Fixed Version' column of the 'Response Matrix' below to affected deployments.

Workarounds

None.

Mitigation

VMware best practices recommend implementing network controls to limit access to the local administrative interface of the appliance. Unrestricted network access to this interface is not required for the regular operation of the product.

Additional Documentation

None.

Notes

None.

Acknowledgements

VMware would like to thank Egor Dimitrenko of Positive Technologies for reporting this issue to us.

Response Matrix

Product Version Running On CVE Identifier CVSSv3 Severity Fixed Version Workarounds Additional Documentation
VMware Carbon Black Cloud Workload appliance
1.0.1 and prior
Linux
CVE-2021-21982
critical
1.0.2
None
None
4. References
5. Change Log

2021-04-01 VMSA-2021-0005
Initial security advisory.

6. Contact

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security-announce@lists.vmware.com

 

E-mail: security@vmware.com

PGP key at:

https://kb.vmware.com/kb/1055 

 

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