CVE-2022-21691 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00158.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Onionshare	Onionshare

Configuration 1 [-]

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

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/onionshare/onionshare/releases/tag/v2.5
https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766

History

Mon, 14 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.0015}`	epss `{'score': 0.00158}`

Wed, 23 Apr 2025 20:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2022-01-18T22:00:12.000Z

Updated: 2025-04-23T19:10:41.310Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2022-21691

Vulnrichment

Updated: 2024-08-03T02:53:34.711Z

NVD

Status : Modified

Published: 2022-01-18T22:15:08.040

Modified: 2024-11-21T06:45:14.530

Link: CVE-2022-21691

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "onionshare", "vendor": "onionshare", "versions": [{"status": "affected", "version": "< 2.5"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-18T22:00:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}], "source": {"advisory": "GHSA-w9m4-7w72-r766", "discovery": "UNKNOWN"}, "title": "Improper Access Control in Onionshare", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-21691", "STATE": "PUBLIC", "TITLE": "Improper Access Control in Onionshare"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "onionshare", "version": {"version_data": [{"version_value": "< 2.5"}]}}]}, "vendor_name": "onionshare"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-306: Missing Authentication for Critical Function"}]}]}, "references": {"reference_data": [{"name": "https://github.com/onionshare/onionshare/releases/tag/v2.5", "refsource": "MISC", "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"name": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766", "refsource": "CONFIRM", "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}]}, "source": {"advisory": "GHSA-w9m4-7w72-r766", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:53:34.711Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-23T14:11:57.432667Z", "id": "CVE-2022-21691", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-23T19:10:41.310Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-21691", "datePublished": "2022-01-18T22:00:12.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2025-04-23T19:10:41.310Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"containers": {"cna": {"affected": [{"product": "onionshare", "vendor": "onionshare", "versions": [{"status": "affected", "version": "< 2.5"}]}], "descriptions": [{"lang": "en", "value": "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."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-306", "description": "CWE-306: Missing Authentication for Critical Function", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-18T22:00:12.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}], "source": {"advisory": "GHSA-w9m4-7w72-r766", "discovery": "UNKNOWN"}, "title": "Improper Access Control in Onionshare", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-21691", "STATE": "PUBLIC", "TITLE": "Improper Access Control in Onionshare"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "onionshare", "version": {"version_data": [{"version_value": "< 2.5"}]}}]}, "vendor_name": "onionshare"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-306: Missing Authentication for Critical Function"}]}]}, "references": {"reference_data": [{"name": "https://github.com/onionshare/onionshare/releases/tag/v2.5", "refsource": "MISC", "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"name": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766", "refsource": "CONFIRM", "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}]}, "source": {"advisory": "GHSA-w9m4-7w72-r766", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:53:34.711Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}]}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-21691", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-23T14:11:57.432667Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-23T14:11:58.803Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-21691", "datePublished": "2022-01-18T22:00:12.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2025-04-23T19:10:41.310Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:onionshare:onionshare:*:*:*:*:*:*:*:*", "matchCriteriaId": "B3A7A46B-5812-492A-B66B-DC43A15A0A38", "versionEndExcluding": "2.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "OnionShare es una herramienta de c\u00f3digo abierto que permite compartir archivos, alojar sitios web y chatear con amigos de forma segura y an\u00f3nima usando la red Tor. En las versiones afectadas, los participantes del chat pueden falsificar su mensaje de salida del canal, enga\u00f1ando a los dem\u00e1s para que asuman que han abandonado la sala de chat"}], "id": "CVE-2022-21691", "lastModified": "2024-11-21T06:45:14.530", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-18T22:15:08.040", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/onionshare/onionshare/releases/tag/v2.5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/onionshare/onionshare/security/advisories/GHSA-w9m4-7w72-r766"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}