What is the CVSS score of CVE-2021-41867?

CVE-2021-41867 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 1.7%.

Is there a public PoC exploit available for CVE-2021-41867?

Yes, a public proof-of-concept exploit is available for CVE-2021-41867. Prioritise patching immediately. EPSS: 1.7%.

Is there a patch available for CVE-2021-41867?

Yes, a patch is available for CVE-2021-41867. Update the affected software to the latest version immediately.

Onionshare CVE-2021-41867

MEDIUM

2021-10-04 cve@mitre.org

Information Disclosure Onionshare

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Oct 04, 2021 - 14:15 nvd

MEDIUM 5.3

DescriptionNVD

AnalysisAI

An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

An information disclosure vulnerability in OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to retrieve the full list of participants of a non-public OnionShare node via the --chat feature. Affected products include: Onionshare. Version information: before 2.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.