How severe is CVE-2022-21692?

CVE-2022-21692 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-21692 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21692?

CVE-2022-21692 affects Onionshare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21692?

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

When was CVE-2022-21692 published?

CVE-2022-21692 was published on 2022-01-18 and last updated on 2026-06-17.

CVE-2022-21692

CVE-2022-21692 is a medium-severity vulnerability in Onionshare with a CVSS 3.x base score of 4.3. 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
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. In affected versions anyone with access to the chat environment can write messages disguised as another chat participant.

Frequently asked questions

What is 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.
How severe is CVE-2022-21692?: CVE-2022-21692 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-21692 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21692?: CVE-2022-21692 affects Onionshare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21692?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-21692 published?: CVE-2022-21692 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…

All CVEs affecting Onionshare →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →