CVE-2021-45687 — Deserialization of Untrusted Data in raw-cpuid —...

CRITICAL

Deserialization of Untrusted Data in rust-cpuid

Published January 6, 2022Updated November 8, 2023Source: osv

Summary

An issue was discovered in the raw-cpuid crate before 9.1.1 for Rust. If the serialize feature is used (which is not the the default), a Deserialize operation may lack sufficient validation, leading to memory corruption or a panic.

Advisory Timeline

First published January 6, 2022 (1740 days ago).
Last revised November 8, 2023 — 670 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo

Update raw-cpuid to 9.1.1 or later

cargo update -p raw-cpuid --precise 9.1.1

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

Package	Ecosystem	Affected	Fixed In
raw-cpuid	crates.io	All versions	9.1.1

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-502
Deserialization of Untrusted DataMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2021-45687?: Deserialization of Untrusted Data in rust-cpuid This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2021-45687?: CVE-2021-45687 affects raw-cpuid. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2021-45687 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-w428-f65r-h4q2

GHSA-jf5h-cf95-w759

RUSTSEC-2021-0089

Related CVEs

RUSTSEC-2026-0327
CRITICAL
Wasmtime component async-lifted callback result count is unvalidated, causing a native stack buffer overflow
CVE-2026-75856
CRITICAL
CodeWhale: SSRF bypass - TOCTOU on DNS failure for DNS pinning

More crates.io advisories

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies