What is the CVSS score of CVE-2020-35904?

CVE-2020-35904 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: 0.4%.

Is there a public PoC exploit available for CVE-2020-35904?

Yes, a public proof-of-concept exploit is available for CVE-2020-35904. Prioritise patching immediately. EPSS: 0.4%.

Is there a patch available for CVE-2020-35904?

Yes, a patch is available for CVE-2020-35904. Update the affected software to the latest version immediately.

Crossbeam Channel CVE-2020-35904

MEDIUM

2020-12-31 cve@mitre.org

Information Disclosure Crossbeam Channel

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

Dec 31, 2020 - 09:15 nvd

MEDIUM 5.5

DescriptionNVD

AnalysisAI

An issue was discovered in the crossbeam-channel crate before 0.4.4 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

An issue was discovered in the crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are. Affected products include: Crossbeam-Channel Project Crossbeam-Channel. Version information: before 0.4.4.

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.