What is CVE-2021-27376?

CVE-2021-27376 is a critical-severity vulnerability in Nb-Connect Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-02-18.

How severe is CVE-2021-27376?

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

Buffer overflow in Nb-Connect Project

CVE-2021-27376

An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (70.6th 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

Nb-connect_project Nb-connect
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Frequently asked questions

What is CVE-2021-27376?: CVE-2021-27376 is a critical-severity vulnerability in Nb-Connect Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-02-18.
How severe is CVE-2021-27376?: Critical severity. CVSS v3 base score is 9.8 out of 10.