What is CVE-2020-35876?

CVE-2020-35876 is a critical-severity vulnerability in Rio_project Rio, classified under Use After Free. CVSS score: 9.8/10. Published 2020-12-31.

How severe is CVE-2020-35876?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-35876 known to be exploited?

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

Use After Free in Rio_project Rio

CVE-2020-35876

An issue was discovered in the rio crate through 2020-05-11 for Rust. A struct can be leaked, allowing attackers to obtain sensitive information, cause a use-after-free, or cause a data race.

Vulnerability class: Use-After-Free

EPSS: 0.015 (71.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Rio_project Rio
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

Artisan-Lab/Rust-memory-safety-bugs

References

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

Frequently asked questions

What is CVE-2020-35876?: CVE-2020-35876 is a critical-severity vulnerability in Rio_project Rio, classified under Use After Free. CVSS score: 9.8/10. Published 2020-12-31.
How severe is CVE-2020-35876?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-35876 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.