CVE-2021-20491
4.4 · MEDIUMOverview
CVE-2021-20491 is a medium-severity vulnerability affecting ibm spectrum_protect. It was published on April 16, 2021 and has a CVSS 3.1 base score of 4.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
IBM Spectrum Protect Server 7.1 and 8.1 is subject to a stack-based buffer overflow caused by improper bounds checking during the parsing of commands. By issuing such a command with an improper parameter, an authorized administrator could overflow a buffer and cause the server to crash. IBM X-Force ID: 197792.
Remediation
Check the references section for vendor advisories and patches from ibm. Update spectrum_protect 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 | >= 7.1.0.000, < 7.1.13 | Affected |
Frequently Asked Questions
What is CVE-2021-20491?
CVE-2021-20491 is a medium-severity vulnerability affecting ibm spectrum_protect. It was published on April 16, 2021 and has a CVSS 3.1 base score of 4.4 (MEDIUM).
How severe is CVE-2021-20491?
This vulnerability has a CVSS 3.1 base score of 4.4, 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-2021-20491?
Check the references section for vendor advisories and patches from ibm. Update spectrum_protect 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-2021-20491?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20491 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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