Is CVE-2021-26307 in the CISA KEV catalog?

No. CVE-2021-26307 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-26307?

CVE-2021-26307 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-26307?

CVE-2021-26307 has an EPSS score of 0.34% (26th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-26307?

Upgrade raw-cpuid to 9.0.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-26307

MEDIUM

5.5

CVSS v3

NVD

Description

An issue was discovered in the raw-cpuid crate before 9.0.0 for Rust. It allows __cpuid_count() calls even if the processor does not support the CPUID instruction, which is unsound and causes a deterministic crash.

How to fix

Remediation Available

raw-cpuidNVD

Affected:< 9.0.0Fixed in:9.0.0CVE-2021-26307derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.34%probability of exploitation in 30 days

26thpercentile

Low risk: more likely to be exploited than 26% of all known CVEs.

References

Exploit1

rustsec.org

Embed a live status badge for CVE-2021-26307

Markdown

[![CVE-2021-26307](https://tridentstack.com/cve/badge/CVE-2021-26307.svg)](https://tridentstack.com/cve/CVE-2021-26307)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-26307"><img src="https://tridentstack.com/cve/badge/CVE-2021-26307.svg" alt="CVE-2021-26307"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.