How severe is CVE-2022-21694?

CVE-2022-21694 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-21694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21694?

CVE-2022-21694 affects Onionshare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21694?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-21694 published?

CVE-2022-21694 was published on 2022-01-18 and last updated on 2026-06-17.

CVE-2022-21694

CVE-2022-21694 is a low-severity vulnerability in Onionshare with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Onionshare
Published: 2022-01-18
Last modified: 2026-06-17

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. The website mode of the onionshare allows to use a hardened CSP, which will block any scripts and external resources. It is not possible to configure this CSP for individual pages and therefore the security enhancement cannot be used for websites using javascript or external resources like fonts or images.

Frequently asked questions

What is CVE-2022-21694?: OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. The website mode of the onionshare allows to use a hardened CSP, which will block any scripts and external resources. It is not possible to configure this CSP for individual pages and therefore the security enhancement cannot be used for websites using javascript or external resources like fonts or images.
How severe is CVE-2022-21694?: CVE-2022-21694 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-21694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21694?: CVE-2022-21694 affects Onionshare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21694 published?: CVE-2022-21694 was published on 2022-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:onionshare:onionshare:*:*:*:*:*:*:*:*

More vulnerabilities in Onionshare

CVE-2021-41868 — Critical (CVSS 9.8): OnionShare 2.3 before 2.4 allows remote unauthenticated attackers to upload files on a non-public node when using the…
CVE-2022-21690 — High (CVSS 8.7): OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with…
CVE-2022-21689 — High (CVSS 7.5): OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with…
CVE-2022-21688 — High (CVSS 7.5): OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with…
CVE-2018-19960 — High (CVSS 7.0): The debug_mode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the…
CVE-2022-21693 — Medium (CVSS 6.3): OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with…

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