CVE-2021-3798
5.5 · MEDIUMOverview
CVE-2021-3798 is a medium-severity vulnerability affecting opencryptoki_project opencryptoki. It was published on August 23, 2022 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 flaw was found in openCryptoki. The openCryptoki Soft token does not check if an EC key is valid when an EC key is created via C_CreateObject, nor when C_DeriveKey is used with ECDH public data. This may allow a malicious user to extract the private key by performing an invalid curve attack.
Remediation
Check the references section for vendor advisories and patches from opencryptoki_project. Update opencryptoki 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 |
|---|---|---|---|
| opencryptoki_project | opencryptoki | >= 0, < 3.17.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-3798?
CVE-2021-3798 is a medium-severity vulnerability affecting opencryptoki_project opencryptoki. It was published on August 23, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-3798?
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-2021-3798?
Check the references section for vendor advisories and patches from opencryptoki_project. Update opencryptoki 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-2021-3798?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3798 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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