CVE-2021-3569
5.5 · MEDIUMOverview
CVE-2021-3569 is a medium-severity vulnerability affecting libtpms_project libtpms. It was published on June 3, 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
A stack corruption bug was found in libtpms in versions before 0.7.2 and before 0.8.0 while decrypting data using RSA. This flaw could result in a SIGBUS (bad memory access) and termination of swtpm. The highest threat from this vulnerability is to system availability.
Remediation
Check the references section for vendor advisories and patches from libtpms_project. Update libtpms 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 |
|---|---|---|---|
| libtpms_project | libtpms | >= 0, < 0.7.2 | Affected |
Frequently Asked Questions
What is CVE-2021-3569?
CVE-2021-3569 is a medium-severity vulnerability affecting libtpms_project libtpms. It was published on June 3, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-3569?
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-2021-3569?
Check the references section for vendor advisories and patches from libtpms_project. Update libtpms 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-2021-3569?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3569 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.
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