What is CVE-2020-35857?

CVE-2020-35857 is a high-severity vulnerability in Trust-Dns-Server Project, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-12-31.

How severe is CVE-2020-35857?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-35857 known to be exploited?

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

Resource exhaustion in Trust-Dns-Server Project

CVE-2020-35857

An issue was discovered in the trust-dns-server crate before 0.18.1 for Rust. DNS MX and SRV null targets are mishandled, causing stack consumption.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.014 (70.4th 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

Trust-dns-server_project Trust-dns-server
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2020-35857?: CVE-2020-35857 is a high-severity vulnerability in Trust-Dns-Server Project, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-12-31.
How severe is CVE-2020-35857?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-35857 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.