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

CVE-2021-26307 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2021-26307?

Yes, a public proof-of-concept exploit is available for CVE-2021-26307. Prioritise patching immediately. EPSS: 0.3%.

Is there a patch available for CVE-2021-26307?

Yes, a patch is available for CVE-2021-26307. Update the affected software to the latest version immediately.

Raw Cpuid CVE-2021-26307

MEDIUM

2021-01-29 cve@mitre.org

Denial Of Service Raw Cpuid

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jan 29, 2021 - 03:15 nvd

MEDIUM 5.5

DescriptionNVD

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.

AnalysisAI

An issue was discovered in the raw-cpuid crate before 9.0.0 for Rust. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.