CVE-2020-27174
7.5 · HIGHOverview
CVE-2020-27174 is a high-severity vulnerability affecting amazon firecracker. It was published on October 16, 2020 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
In Amazon AWS Firecracker before 0.21.3, and 0.22.x before 0.22.1, the serial console buffer can grow its memory usage without limit when data is sent to the standard input. This can result in a memory leak on the microVM emulation thread, possibly occupying more memory than intended on the host.
Remediation
Check the references section for vendor advisories and patches from amazon. Update firecracker 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 |
|---|---|---|---|
| amazon | firecracker | >= 0, < 0.21.3 | Affected |
References
Frequently Asked Questions
What is CVE-2020-27174?
CVE-2020-27174 is a high-severity vulnerability affecting amazon firecracker. It was published on October 16, 2020 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-27174?
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-2020-27174?
Check the references section for vendor advisories and patches from amazon. Update firecracker 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-2020-27174?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-27174 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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