Skip to main content
No exploitation reportedFix available

CVE-2022-21695

No exploitation reported by the sources we read.

  • Published2022-01-18
  • Fixed in2.5
  • WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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 authenticated users (or unauthenticated in public mode) can send messages without being visible in the list of chat participants. This issue has been resolved in version 2.5.

Timeline

dates in UTC
  1. 2022-01-1822:15CVE publishedNVD

Versions per branch

NVD · OSV
Onionshare
BranchAffectedFixed in
2.5< 2.52.5
2.x≥ 2.3, < 2.52.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As GitHub_M, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • onionshare
    Affected
    • = < 2.5no fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2022-01-18

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • onionshareDebian:14all versions · fixed in 2.5-1
  • onionshareDebian:13all versions · fixed in 2.5-1
  • onionshareDebian:12all versions · fixed in 2.5-1
  • python-onionshareopenSUSE:Tumbleweedall versions · fixed in 2.5-1.1
  • python3-onionshareopenSUSE:Tumbleweedall versions · fixed in 2.6-4.1

Full record on NVD

Fix

  1. Update Onionshare to 2.5

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2025-04-23
  • CNACVSS 3.14.3known since 2026-10-23
  • NVDCVSS 3.15.3read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-287known since 2026-10-23
  • NVDweakness (CWE)CWE-287read 2026-10-23
  • FIRST EPSSEPSS score0.9 %2026-11-09
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryMODERATE2022-01-19

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Published
2022-01-18
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-99p8-9p2c-49j4

Frequently asked questions

What is CVE-2022-21695?

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 authenticated users (or unauthenticated in public mode) can send messages without being visible in the list of chat participants. This issue has been resolved in version 2.5.

Is CVE-2022-21695 actively exploited?

Active exploitation of CVE-2022-21695 has not been confirmed. Its EPSS score was 0.9% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-21695?

CVE-2022-21695 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Running onionshare? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record