CVE-2021-1386
7.0 · HIGHOverview
CVE-2021-1386 is a high-severity vulnerability affecting cisco advanced_malware_protection_for_endpoints. It was published on April 8, 2021 and has a CVSS 3.1 base score of 7.0 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
A vulnerability in the dynamic link library (DLL) loading mechanism in Cisco Advanced Malware Protection (AMP) for Endpoints Windows Connector, ClamAV for Windows, and Immunet could allow an authenticated, local attacker to perform a DLL hijacking attack on an affected Windows system. To exploit this vulnerability, the attacker would need valid credentials on the system. The vulnerability is due to insufficient validation of directory search paths at run time. An attacker could exploit this vulnerability by placing a malicious DLL file on an affected system. A successful exploit could allow the attacker to execute arbitrary code with SYSTEM privileges.
Remediation
Check the references section for vendor advisories and patches from cisco. Update advanced_malware_protection_for_endpoints 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 |
|---|---|---|---|
| cisco | advanced_malware_protection_for_endpoints | >= 0, < 7.3.15 | Affected |
| cisco | clamav | >= 0, < 0.103.2 | Affected |
| cisco | immunet | >= 0, < 7.4.0 | Affected |
Frequently Asked Questions
What is CVE-2021-1386?
CVE-2021-1386 is a high-severity vulnerability affecting cisco advanced_malware_protection_for_endpoints. It was published on April 8, 2021 and has a CVSS 3.1 base score of 7.0 (HIGH).
How severe is CVE-2021-1386?
This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-1386?
Check the references section for vendor advisories and patches from cisco. Update advanced_malware_protection_for_endpoints 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-2021-1386?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-1386 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.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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