What is CVE-2020-35906?

CVE-2020-35906 is a high-severity vulnerability in Rust-Lang Futures-Task, classified under Use After Free. CVSS score: 7.8/10. Published 2020-12-31.

How severe is CVE-2020-35906?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-35906 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Rust-Lang Futures-Task

CVE-2020-35906

An issue was discovered in the futures-task crate before 0.3.6 for Rust. futures_task::waker may cause a use-after-free in a non-static type situation.

Vulnerability class: Use-After-Free

EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rust-lang Futures-task
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

Artisan-Lab/Rust-memory-safety-bugs

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-35906?: CVE-2020-35906 is a high-severity vulnerability in Rust-Lang Futures-Task, classified under Use After Free. CVSS score: 7.8/10. Published 2020-12-31.
How severe is CVE-2020-35906?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-35906 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.