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CVE-2021-1143

4.3 · MEDIUM

A vulnerability in Cisco Connected Mobile Experiences (CMX) API authorizations could allow an authenticated, remote attacker to enumerate what users exist on the system.

Published Jan 13, 2021CWE-863EPSS 0.74%

Overview

CVE-2021-1143 is a medium-severity vulnerability. It was published on January 13, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability in Cisco Connected Mobile Experiences (CMX) API authorizations could allow an authenticated, remote attacker to enumerate what users exist on the system. The vulnerability is due to a lack of authorization checks for certain API GET requests. An attacker could exploit this vulnerability by sending specific API GET requests to an affected device. A successful exploit could allow the attacker to enumerate users of the CMX system.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmxapi-KsKwCmfpReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cmxapi-KsKwCmfp

How CyberStrike helps

Frequently asked questions

What is CVE-2021-1143?

CVE-2021-1143 is a medium-severity vulnerability. It was published on January 13, 2021 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-1143?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-1143?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-1143?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-1143 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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