What’s Vulnerable › Vulnerabilities

CVE-2021-30454

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-07 · updated 2026-06-17
• Weakness: CWE-119

Description

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.

Affected products

• Outer Cgi Project Outer Cgi: before 0.2.1 — fixed in 0.2.1

How to fix

Upgrade to a fixed version: Outer Cgi Project Outer Cgi 0.2.1. Check the vendor advisory for mitigations.

References

• https://rustsec.org/advisories/RUSTSEC-2021-0051.html
• https://rustsec.org/advisories/RUSTSEC-2021-0051.html

Get alerted when CVE-2021-30454 or the next vulnerability affects your stack