CVE-2020-36443
9.8 · CRITICALOverview
CVE-2020-36443 is a critical-severity vulnerability affecting libp2p libp2p-deflate. It was published on August 8, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust. An uninitialized buffer is passed to AsyncRead::poll_read(), which is a user-provided trait function.
Remediation
Check the references section for vendor advisories and patches from libp2p. Update libp2p-deflate 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 |
|---|---|---|---|
| libp2p | libp2p-deflate | >= 0, < 0.27.1 | Affected |
References
Frequently Asked Questions
What is CVE-2020-36443?
CVE-2020-36443 is a critical-severity vulnerability affecting libp2p libp2p-deflate. It was published on August 8, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-36443?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-36443?
Check the references section for vendor advisories and patches from libp2p. Update libp2p-deflate 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-2020-36443?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-36443 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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