{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2002-07-26T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2010-05-21T00:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "vnc-weak-authentication(5992)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"}, {"name": "RHSA-2002:287", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"}, {"name": "20020724 VNC authentication weakness", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=102753170201524&w=2"}, {"name": "RHSA-2003:041", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"}, {"name": "MDKSA-2003:022", "tags": ["vendor-advisory", "x_refsource_MANDRAKE"], "url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"}, {"name": "CLA-2003:640", "tags": ["vendor-advisory", "x_refsource_CONECTIVA"], "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.tightvnc.com/WhatsNew.txt"}, {"name": "20020726 RE: VNC authentication weakness", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://marc.info/?l=bugtraq&m=102769183913594&w=2"}, {"name": "5296", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/5296"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2002-1336", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "vnc-weak-authentication(5992)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"}, {"name": "RHSA-2002:287", "refsource": "REDHAT", "url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"}, {"name": "20020724 VNC authentication weakness", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=102753170201524&w=2"}, {"name": "RHSA-2003:041", "refsource": "REDHAT", "url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"}, {"name": "MDKSA-2003:022", "refsource": "MANDRAKE", "url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"}, {"name": "CLA-2003:640", "refsource": "CONECTIVA", "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640"}, {"name": "http://www.tightvnc.com/WhatsNew.txt", "refsource": "CONFIRM", "url": "http://www.tightvnc.com/WhatsNew.txt"}, {"name": "20020726 RE: VNC authentication weakness", "refsource": "BUGTRAQ", "url": "http://marc.info/?l=bugtraq&m=102769183913594&w=2"}, {"name": "5296", "refsource": "BID", "url": "http://www.securityfocus.com/bid/5296"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T03:19:28.608Z"}, "title": "CVE Program Container", "references": [{"name": "vnc-weak-authentication(5992)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"}, {"name": "RHSA-2002:287", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"}, {"name": "20020724 VNC authentication weakness", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=102753170201524&w=2"}, {"name": "RHSA-2003:041", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"}, {"name": "MDKSA-2003:022", "tags": ["vendor-advisory", "x_refsource_MANDRAKE", "x_transferred"], "url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"}, {"name": "CLA-2003:640", "tags": ["vendor-advisory", "x_refsource_CONECTIVA", "x_transferred"], "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.tightvnc.com/WhatsNew.txt"}, {"name": "20020726 RE: VNC authentication weakness", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://marc.info/?l=bugtraq&m=102769183913594&w=2"}, {"name": "5296", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/5296"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2002-1336", "datePublished": "2004-09-01T04:00:00.000Z", "dateReserved": "2002-12-02T00:00:00.000Z", "dateUpdated": "2024-08-08T03:19:28.608Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tightvnc:tightvnc:1.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "B2F4EE57-DA68-4438-A401-BAC82B7242D2", "vulnerable": true}, {"criteria": "cpe:2.3:a:tightvnc:tightvnc:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "F9E11A57-016E-4720-A266-A53743629CD8", "vulnerable": true}, {"criteria": "cpe:2.3:a:tightvnc:tightvnc:1.2.3:*:*:*:*:*:*:*", "matchCriteriaId": "AF990CCF-70BE-46F6-9360-ECC39B6D6F3B", "vulnerable": true}, {"criteria": "cpe:2.3:a:tightvnc:tightvnc:1.2.4:*:*:*:*:*:*:*", "matchCriteriaId": "0274E35A-ACAB-43F5-A4F3-383CA9EEA1CC", "vulnerable": true}, {"criteria": "cpe:2.3:a:tightvnc:tightvnc:1.2.5:*:*:*:*:*:*:*", "matchCriteriaId": "0FD5B03E-D897-4A06-A3EF-62B13B46B7EF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users."}, {"lang": "es", "value": "TightVNC anterior a 1.2.6 genera la misma cadena de desaf\u00edo a m\u00faltiples conexiones, lo que permite a atacantes remotos evitar la autenticaci\u00f3n VNC espiando el desafio y la respuesta de otros usuarios."}], "id": "CVE-2002-1336", "lastModified": "2026-04-16T00:27:16.627", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2002-12-11T05:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640"}, {"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=102753170201524&w=2"}, {"source": "cve@mitre.org", "url": "http://marc.info/?l=bugtraq&m=102769183913594&w=2"}, {"source": "cve@mitre.org", "url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"}, {"source": "cve@mitre.org", "url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"}, {"source": "cve@mitre.org", "url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/5296"}, {"source": "cve@mitre.org", "url": "http://www.tightvnc.com/WhatsNew.txt"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=102753170201524&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://marc.info/?l=bugtraq&m=102769183913594&w=2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/5296"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.tightvnc.com/WhatsNew.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2002:287", "cpe": "cpe:/o:redhat:enterprise_linux:2.1", "product_name": "Red Hat Enterprise Linux AS (Advanced Server) version 2.1", "release_date": "2003-01-16T00:00:00Z"}, {"advisory": "RHSA-2003:041", "cpe": "cpe:/o:redhat:linux:7.0", "product_name": "Red Hat Linux 7.0", "release_date": "2003-02-21T00:00:00Z"}, {"advisory": "RHSA-2003:041", "cpe": "cpe:/o:redhat:linux:7.1", "product_name": "Red Hat Linux 7.1", "release_date": "2003-02-21T00:00:00Z"}, {"advisory": "RHSA-2003:041", "cpe": "cpe:/o:redhat:linux:7.2", "product_name": "Red Hat Linux 7.2", "release_date": "2003-02-21T00:00:00Z"}, {"advisory": "RHSA-2003:041", "cpe": "cpe:/o:redhat:linux:7.3", "product_name": "Red Hat Linux 7.3", "release_date": "2003-02-21T00:00:00Z"}, {"advisory": "RHSA-2003:041", "cpe": "cpe:/o:redhat:linux:8.0", "product_name": "Red Hat Linux 8.0", "release_date": "2003-02-21T00:00:00Z"}], "bugzilla": {"description": "security flaw", "id": "1616876", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616876"}, "csaw": false, "details": ["TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users."], "name": "CVE-2002-1336", "public_date": "2002-07-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2002-1336\nhttps://nvd.nist.gov/vuln/detail/CVE-2002-1336"], "threat_severity": "Moderate"}

{}