What is CVE-2021-30454?

CVE-2021-30454 is a critical-severity vulnerability in Outer Cgi Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-04-07.

How severe is CVE-2021-30454?

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

Buffer overflow in Outer Cgi Project

CVE-2021-30454

An issue was discovered in the outer_cgi crate before 0.2.1 for Rust. A user-provided Read instance receives an uninitialized memory buffer from KeyValueReader.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.3th 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

Outer_cgi_project Outer_cgi
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 (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-30454?: CVE-2021-30454 is a critical-severity vulnerability in Outer Cgi Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2021-04-07.
How severe is CVE-2021-30454?: Critical severity. CVSS v3 base score is 9.8 out of 10.