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CVE-2021-39063

9.1 · CRITICAL

IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information due to…

Published Dec 13, 2021CWE-346EPSS 0.68%

Overview

CVE-2021-39063 is a critical-severity vulnerability. It was published on December 13, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

IBM Spectrum Protect Plus 10.1.0.0 through 10.1.8.x uses Cross-Origin Resource Sharing (CORS) which could allow an attacker to carry out privileged actions and retrieve sensitive information due to a misconfiguration in access control headers. IBM X-Force ID: 214956.

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

Refexchange.xforce.ibmcloud.com/vulnerabilities/214956Refwww.ibm.com/support/pages/node/6525346Refexchange.xforce.ibmcloud.com/vulnerabilities/214956Refwww.ibm.com/support/pages/node/6525346

How CyberStrike helps

Frequently asked questions

What is CVE-2021-39063?

CVE-2021-39063 is a critical-severity vulnerability. It was published on December 13, 2021 and has a CVSS 3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2021-39063?

This vulnerability has a CVSS 3.1 base score of 9.1, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-39063?

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-2021-39063?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-39063 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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