What is the CVSS score of CVE-2021-38191?

CVE-2021-38191 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2021-38191?

Yes, a public proof-of-concept exploit is available for CVE-2021-38191. Prioritise patching immediately. EPSS: 0.8%.

Is there a patch available for CVE-2021-38191?

Yes, a patch is available for CVE-2021-38191. Update the affected software to the latest version immediately.

Tokio CVE-2021-38191

MEDIUM

Race Condition (CWE-362)

2021-08-08 cve@mitre.org

Information Disclosure Race Condition Tokio

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Aug 08, 2021 - 06:15 nvd

MEDIUM 5.9

DescriptionNVD

An issue was discovered in the tokio crate before 1.8.1 for Rust. Upon a JoinHandle::abort, a Task may be dropped in the wrong thread.

AnalysisAI

An issue was discovered in the tokio crate before 1.8.1 for Rust. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-362. An issue was discovered in the tokio crate before 1.8.1 for Rust. Upon a JoinHandle::abort, a Task may be dropped in the wrong thread. Affected products include: Tokio. Version information: before 1.8.1.

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.