What is CVE-2020-35905?

CVE-2020-35905 is a medium-severity vulnerability in Rust-Lang Future-Utils, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2020-12-31.

How severe is CVE-2020-35905?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Is CVE-2020-35905 known to be exploited?

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

Vulnerability in Rust-Lang Future-Utils

CVE-2020-35905

An issue was discovered in the futures-util crate before 0.3.7 for Rust. MutexGuard::map can cause a data race for certain closure situations (in safe code).

Vulnerability class: Race Condition

EPSS: 0.003 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Rust-lang Future-utils
N/a — versions n/a

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

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-2020-35905?: CVE-2020-35905 is a medium-severity vulnerability in Rust-Lang Future-Utils, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.7/10. Published 2020-12-31.
How severe is CVE-2020-35905?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2020-35905 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.