CVE-2021-20546
5.5 · MEDIUMOverview
CVE-2021-20546 is a medium-severity vulnerability affecting ibm spectrum_protect_client. It was published on April 26, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
IBM Spectrum Protect Client 8.1.0.0 through 8.1.11.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and cause the application to crash. IBM X-Force ID: 198934
Remediation
Check the references section for vendor advisories and patches from ibm. Update spectrum_protect_client to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ibm | spectrum_protect_client | 8.1.0.0 | Affected |
| ibm | spectrum_protect_for_space_management | 8.1.0.0 | Affected |
Frequently Asked Questions
What is CVE-2021-20546?
CVE-2021-20546 is a medium-severity vulnerability affecting ibm spectrum_protect_client. It was published on April 26, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-20546?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-20546?
Check the references section for vendor advisories and patches from ibm. Update spectrum_protect_client to the latest patched version. 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-2021-20546?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20546 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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