Vulnerability in Arc-Swap Project

CVE-2020-35711

An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper (or with a user-supplied implementation of the Access trait) could sometimes lead to dangling references being returned by the map.

EPSS: 0.016 (73.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35711?
CVE-2020-35711 is a high-severity vulnerability in Arc-Swap Project. CVSS score: 7.5/10. Published 2020-12-25.
How severe is CVE-2020-35711?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-35711 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.