CVE-2020-36443
CRITICALCVSS 9.8/10EPSS 1.23%
Last modified
CVE-2020-36443 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libp2p | Libp2p-Deflate | < 0.27.1 |
References
- https://rustsec.org/advisories/RUSTSEC-2020-0123.htmlThird Party Advisory
- https://rustsec.org/advisories/RUSTSEC-2020-0123.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-36443?
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.
How severe is CVE-2020-36443?
CVE-2020-36443 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36443?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2020-36443?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST