CVE-2021-44758
7.5 · HIGHOverview
CVE-2021-44758 is a high-severity vulnerability affecting heimdal_project heimdal. It was published on December 26, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
Remediation
Check the references section for vendor advisories and patches from heimdal_project. Update heimdal 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 |
|---|---|---|---|
| heimdal_project | heimdal | >= 0, < 7.7.1 | Affected |
References
Frequently Asked Questions
What is CVE-2021-44758?
CVE-2021-44758 is a high-severity vulnerability affecting heimdal_project heimdal. It was published on December 26, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-44758?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-44758?
Check the references section for vendor advisories and patches from heimdal_project. Update heimdal 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-2021-44758?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-44758 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
AI agents map your attack surface to find vulnerabilities like this one.
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