cve-2011-2523
Vulnerability from cvelistv5
Published
2019-11-27 20:36
Modified
2024-08-06 23:00
Severity ?
EPSS score ?
Summary
vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.
References
Impacted products
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-06T23:00:34.246Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://security-tracker.debian.org/tracker/CVE-2011-2523" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://access.redhat.com/security/cve/cve-2011-2523" }, { "name": "[oss-security] 20110711 Re: vsftpd download backdoored", "tags": [ "mailing-list", "x_refsource_MLIST", "x_transferred" ], "url": "https://www.openwall.com/lists/oss-security/2011/07/11/5" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "vsftpd", "vendor": "vsftpd", "versions": [ { "status": "affected", "version": "2.3.4 downloaded between 20110630 and 20110703" } ] } ], "descriptions": [ { "lang": "en", "value": "vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp." } ], "problemTypes": [ { "descriptions": [ { "description": "UNKNOWN_TYPE", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-04-12T17:06:11", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://security-tracker.debian.org/tracker/CVE-2011-2523" }, { "tags": [ "x_refsource_MISC" ], "url": "https://access.redhat.com/security/cve/cve-2011-2523" }, { "name": "[oss-security] 20110711 Re: vsftpd download backdoored", "tags": [ "mailing-list", "x_refsource_MLIST" ], "url": "https://www.openwall.com/lists/oss-security/2011/07/11/5" }, { "tags": [ "x_refsource_MISC" ], "url": "https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805" }, { "tags": [ "x_refsource_MISC" ], "url": "https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html" }, { "tags": [ "x_refsource_MISC" ], "url": "http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html" } ] } }, "cveMetadata": { "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2011-2523", "datePublished": "2019-11-27T20:36:53", "dateReserved": "2011-06-15T00:00:00", "dateUpdated": "2024-08-06T23:00:34.246Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2011-2523\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2019-11-27T21:15:12.387\",\"lastModified\":\"2024-11-21T01:28:27.540\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"vsftpd 2.3.4 downloaded between 20110630 and 20110703 contains a backdoor which opens a shell on port 6200/tcp.\"},{\"lang\":\"es\",\"value\":\"vsftpd versi\u00f3n 2.3.4 descargado entre 20110630 y 20110703, contiene una puerta trasera (backdoor) que abre un shell en el puerto 6200/tcp.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-78\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vsftpd_project:vsftpd:2.3.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9D883DD6-4A93-41A2-84F6-515C44804FF8\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/security/cve/cve-2011-2523\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2011-2523\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2011/07/11/5\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/162145/vsftpd-2.3.4-Backdoor-Command-Execution.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://access.redhat.com/security/cve/cve-2011-2523\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://packetstormsecurity.com/files/102745/VSFTPD-2.3.4-Backdoor-Command-Execution.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2011-2523\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://vigilance.fr/vulnerability/vsftpd-backdoor-in-version-2-3-4-10805\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.openwall.com/lists/oss-security/2011/07/11/5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]}]}}" } }
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Sightings
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Nomenclature
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