Auth bypass in Onionshare
CVE-2022-21692
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Onionshare — versions < 2.5
Weakness classification (CWE)
References
- github.com/onionshare/onionshare/releases/tag/v2.5 (Third Party Advisory, Release Notes)
- github.com/onionshare/onionshare/security/advisories/GHSA-gjj5-998g-v36v (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-21692?
- CVE-2022-21692 is a medium-severity vulnerability in Onionshare, classified under Improper Authentication. CVSS score: 4.3/10. Published 2022-01-18.
- How severe is CVE-2022-21692?
- Medium severity. CVSS v3 base score is 4.3 out of 10.