{"api_version":"1","generated_at":"2026-07-23T01:50:16+00:00","cve":"CVE-2002-2103","urls":{"html":"https://cve.report/CVE-2002-2103","api":"https://cve.report/api/cve/CVE-2002-2103.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2002-2103","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2002-2103"},"summary":{"title":"CVE-2002-2103","description":"Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities.","state":"PUBLISHED","assigner":"mitre","published_at":"2002-12-31 05:00:00","updated_at":"2025-04-03 01:03:51"},"problem_types":["NVD-CWE-Other","n/a"],"metrics":[{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"5","severity":"","vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}}],"references":[{"url":"http://www.apache.org/dist/httpd/CHANGES_1.3","name":"http://www.apache.org/dist/httpd/CHANGES_1.3","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"404 Not Found","mime":"text/plain","httpstatus":"404","archivestatus":"200"},{"url":"http://www.iss.net/security_center/static/8629.php","name":"http://www.iss.net/security_center/static/8629.php","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"ISS X-Force Database: apache-double-reverse-spoof (8629): Apache HTTP Server double-reverse DNS lookup spoofing","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"http://www.securityfocus.com/bid/4358","name":"http://www.securityfocus.com/bid/4358","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"],"title":"Apache Double-Reverse Lookup Log Entry Spoofing Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2002-2103","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-2103","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.11","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.12","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.13","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.14","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.15","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.16","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.17","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.18","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.19","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.20","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.22","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.23","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2002","cve_id":"2103","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"apache","cpe5":"http_server","cpe6":"1.3.9","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[{"cvename":"CVE-2002-2103","organization":"Red Hat","lastmodified":"2006-08-30","contributor":"Mark J Cox","statementText":"Not vulnerable. This issue did not affect the versions of Apache HTTP server as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.","cve_year":"2002","cve_id":"2103","crc32":"8911a518"}],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-08T03:51:17.557Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"name":"apache-double-reverse-spoof(8629)","tags":["vdb-entry","x_refsource_XF","x_transferred"],"url":"http://www.iss.net/security_center/static/8629.php"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"http://www.apache.org/dist/httpd/CHANGES_1.3"},{"name":"4358","tags":["vdb-entry","x_refsource_BID","x_transferred"],"url":"http://www.securityfocus.com/bid/4358"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2005-08-05T04:00:00.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"name":"apache-double-reverse-spoof(8629)","tags":["vdb-entry","x_refsource_XF"],"url":"http://www.iss.net/security_center/static/8629.php"},{"tags":["x_refsource_CONFIRM"],"url":"http://www.apache.org/dist/httpd/CHANGES_1.3"},{"name":"4358","tags":["vdb-entry","x_refsource_BID"],"url":"http://www.securityfocus.com/bid/4358"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2002-2103","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":"Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"apache-double-reverse-spoof(8629)","refsource":"XF","url":"http://www.iss.net/security_center/static/8629.php"},{"name":"http://www.apache.org/dist/httpd/CHANGES_1.3","refsource":"CONFIRM","url":"http://www.apache.org/dist/httpd/CHANGES_1.3"},{"name":"4358","refsource":"BID","url":"http://www.securityfocus.com/bid/4358"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2002-2103","datePublished":"2005-08-05T04:00:00.000Z","dateReserved":"2005-08-05T00:00:00.000Z","dateUpdated":"2024-09-17T03:29:00.562Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"},"nvd":{"publishedDate":"2002-12-31 05:00:00","lastModifiedDate":"2025-04-03 01:03:51","problem_types":["NVD-CWE-Other","n/a"],"metrics":{"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:*","matchCriteriaId":"19C8989C-D8A6-4AE9-99B6-F2DAE5999EB6"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*","matchCriteriaId":"7B6EE0E2-D608-4E72-A0E5-F407511405C2"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*","matchCriteriaId":"33FD6791-3B84-40CA-BCF4-B5637B172F2A"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*","matchCriteriaId":"06F447C8-15FE-44DE-86AD-5E2D496AB2A6"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*","matchCriteriaId":"6DDD2F69-CFD4-4DEA-B43A-1337EEFA95A3"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*","matchCriteriaId":"A4955E57-9C5D-40C2-BD5F-A383FF3C33FB"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.16:*:*:*:*:*:*:*","matchCriteriaId":"6A7607F8-6C2A-4976-A861-3BEE1F45002B"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*","matchCriteriaId":"0A80B17D-FD66-40BD-9ADC-FE7A3944A696"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*","matchCriteriaId":"713ADED4-CBE5-40C3-A128-99CFABF24560"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*","matchCriteriaId":"70FA0B8E-1A90-4939-871A-38B9E93BCCC1"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*","matchCriteriaId":"83BDEAE5-29B9-48E3-93FA-F30832044C9A"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*","matchCriteriaId":"A2720E06-1B0E-4BFE-8C85-A17E597BB151"},{"vulnerable":true,"criteria":"cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*","matchCriteriaId":"3EE1DECF-36C7-4968-8B7A-7A2034C2A957"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2002","CveId":"2103","Ordinal":"1","Title":"CVE-2002-2103","CVE":"CVE-2002-2103","Year":"2002"},"notes":[{"CveYear":"2002","CveId":"2103","Ordinal":"1","NoteData":"Apache before 1.3.24, when writing to the log file, records a spoofed hostname from the reverse lookup of an IP address, even when a double-reverse lookup fails, which allows remote attackers to hide the original source of activities.","Type":"Description","Title":"CVE-2002-2103"},{"CveYear":"2002","CveId":"2103","Ordinal":"2","NoteData":"2005-08-05","Type":"Other","Title":"Published"}]}}}