CVE-2021-20786

{"containers": {"cna": {"affected": [{"product": "GroupSession", "vendor": "Japan Total System Co.,Ltd.", "versions": [{"status": "affected", "version": "GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0"}]}], "descriptions": [{"lang": "en", "value": "Cross-site request forgery (CSRF) vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to hijack the authentication of administrators via a specially crafted URL."}], "problemTypes": [{"descriptions": [{"description": "Cross-site request forgery", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-28T00:45:27.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://groupsession.jp/info/info-news/security202107"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN86026700/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20786", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "GroupSession", "version": {"version_data": [{"version_value": "GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0"}]}}]}, "vendor_name": "Japan Total System Co.,Ltd."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cross-site request forgery (CSRF) vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to hijack the authentication of administrators via a specially crafted URL."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Cross-site request forgery"}]}]}, "references": {"reference_data": [{"name": "https://groupsession.jp/info/info-news/security202107", "refsource": "MISC", "url": "https://groupsession.jp/info/info-news/security202107"}, {"name": "https://jvn.jp/en/jp/JVN86026700/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN86026700/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:22.490Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://groupsession.jp/info/info-news/security202107"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN86026700/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20786", "datePublished": "2021-07-28T00:45:27.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:22.490Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "GroupSession", "vendor": "Japan Total System Co.,Ltd.", "versions": [{"status": "affected", "version": "GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:groupsession:groupsession:*:*:*:*:free:*:*:*", "matchCriteriaId": "BCD711A0-12D3-4FC1-B1F3-084DD5D9721B", "versionEndExcluding": "5.1.0", "versionStartIncluding": "2.20", "vulnerable": true}, {"criteria": "cpe:2.3:a:groupsession:groupsession_bycloud:*:*:*:*:*:*:*:*", "matchCriteriaId": "20139ED3-424E-49EB-9D6D-9EAA356C0D96", "versionEndExcluding": "5.1.0", "versionStartIncluding": "3.0.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:groupsession:groupsession_zion:*:*:*:*:*:*:*:*", "matchCriteriaId": "9F38C4EF-470B-4C54-B57F-7C99AB59BF73", "versionEndExcluding": "5.1.0", "versionStartIncluding": "3.0.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-site request forgery (CSRF) vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSession ZION from ver3.0.3 to the version prior to ver5.1.0) allows a remote attacker to hijack the authentication of administrators via a specially crafted URL."}, {"lang": "es", "value": "Una vulnerabilidad de tipo Cross-site request forgery (CSRF) en GroupSession (GroupSession Free edition desde versi\u00f3n 2.2.0 hasta versi\u00f3n anterior a ver5.1.0, GroupSession byCloud desde versi\u00f3n 3.0.3 hasta versi\u00f3n anterior a ver5.1.0, y GroupSession ZION desde versi\u00f3n 3.0.3 hasta versi\u00f3n anterior a ver5.1.0) permite a un atacante remoto secuestrar la autenticaci\u00f3n de los administradores por medio de una URL especialmente dise\u00f1ada"}], "id": "CVE-2021-20786", "lastModified": "2026-06-17T03:34:27.077", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-30T14:15:14.813", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Vendor Advisory"], "url": "https://groupsession.jp/info/info-news/security202107"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN86026700/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://groupsession.jp/info/info-news/security202107"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN86026700/index.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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