What is CVE-2022-21691?

CVE-2022-21691 is a medium-severity vulnerability in Onionshare, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2022-01-18.

How severe is CVE-2022-21691?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Onionshare

CVE-2022-21691

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 chat participants can spoof their channel leave message, tricking others into assuming they left the chatroom.

Vulnerability class: Broken Authentication

EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.

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.

Affected products

Onionshare — versions < 2.5

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)
security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2022-21691?: CVE-2022-21691 is a medium-severity vulnerability in Onionshare, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2022-01-18.
How severe is CVE-2022-21691?: Medium severity. CVSS v3 base score is 4.3 out of 10.