CRITICAL · 9.8

CVE-2021-41868

OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.

Vulnerability Description

OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
OnionshareOnionshare>= 2.3, < 2.4

References

FAQ

What is CVE-2021-41868?

CVE-2021-41868 is a vulnerability with a CVSS score of 9.8 (CRITICAL). OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the --receive functionality.

How severe is CVE-2021-41868?

CVE-2021-41868 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-41868?

Check the references section above for vendor advisories and patch information. Affected products include: Onionshare Onionshare.