Vulnerability · Published Jan 18, 2022 · Assigned by GitHub_M

CVE-2022-21692Improper Access Control in Onionshare

Medium 4.3

In plain English

A medium-severity improper authentication in onionshare from onionshare. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions anyone with access to the chat environment can write messages disguised as another chat participant.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12onionshare2.5-1DEBIAN-CVE-2022-21692
Debian:13onionshare2.5-1DEBIAN-CVE-2022-21692
Debian:14onionshare2.5-1DEBIAN-CVE-2022-21692
PyPIonionshare-cli2.5PYSEC-2022-43
PyPIonionshare-cli2.5GHSA-gjj5-998g-v36v
Ubuntu:22.04:LTSonionshare2.2-3UBUNTU-CVE-2022-21692
Ubuntu:24.04:LTSonionshare2.6-6ubuntu1UBUNTU-CVE-2022-21692

Affected products (as reported)

VendorProductVersions
onionshare onionshare < 2.5

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References