CVE-2021-41868 describes a critical vulnerability in OnionShare versions 2.3 and earlier, allowing remote, unauthenticated attackers to upload files to a non-public node when the --receive functionality is active. With a CVSS score of 9.8, this flaw presents a severe risk due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.3, < 2.4CPE matchmatch criteria | cpe:2.3:a:onionshare:onionshare:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.