CVE-2011-2766 (GCVE-0-2011-2766)

Vulnerability from cvelistv5 – Published: 2011-09-23 10:00 – Updated: 2024-08-06 23:15
VLAI
Summary
The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
Date Public
2011-09-08 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T23:15:30.862Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"
          },
          {
            "name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"
          },
          {
            "name": "perlfast-cgi-security-bypass(69709)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"
          },
          {
            "name": "openSUSE-SU-2012:0036",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://hermes.opensuse.org/messages/13155253"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"
          },
          {
            "name": "49549",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/49549"
          },
          {
            "name": "openSUSE-SU-2012:0004",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://hermes.opensuse.org/messages/13154637"
          },
          {
            "name": "DSA-2327",
            "tags": [
              "vendor-advisory",
              "x_refsource_DEBIAN",
              "x_transferred"
            ],
            "url": "http://www.debian.org/security/2011/dsa-2327"
          },
          {
            "name": "MDVSA-2012:001",
            "tags": [
              "vendor-advisory",
              "x_refsource_MANDRIVA",
              "x_transferred"
            ],
            "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-09-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-28T12:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"
        },
        {
          "name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"
        },
        {
          "name": "perlfast-cgi-security-bypass(69709)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"
        },
        {
          "name": "openSUSE-SU-2012:0036",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://hermes.opensuse.org/messages/13155253"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"
        },
        {
          "name": "49549",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/49549"
        },
        {
          "name": "openSUSE-SU-2012:0004",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://hermes.opensuse.org/messages/13154637"
        },
        {
          "name": "DSA-2327",
          "tags": [
            "vendor-advisory",
            "x_refsource_DEBIAN"
          ],
          "url": "http://www.debian.org/security/2011/dsa-2327"
        },
        {
          "name": "MDVSA-2012:001",
          "tags": [
            "vendor-advisory",
            "x_refsource_MANDRIVA"
          ],
          "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2011-2766",
          "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": "The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20110908 Re: CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2011/09/08/2"
            },
            {
              "name": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479",
              "refsource": "CONFIRM",
              "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479"
            },
            {
              "name": "[oss-security] 20110908 CVE Request -- libfcgi-perl / perl-FCGI: Certain environment variables shared between first and subsequent HTTP requests",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2011/09/08/1"
            },
            {
              "name": "perlfast-cgi-security-bypass(69709)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/69709"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=736604",
              "refsource": "CONFIRM",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=736604"
            },
            {
              "name": "openSUSE-SU-2012:0036",
              "refsource": "SUSE",
              "url": "https://hermes.opensuse.org/messages/13155253"
            },
            {
              "name": "https://rt.cpan.org/Public/Bug/Display.html?id=68380",
              "refsource": "CONFIRM",
              "url": "https://rt.cpan.org/Public/Bug/Display.html?id=68380"
            },
            {
              "name": "49549",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/49549"
            },
            {
              "name": "openSUSE-SU-2012:0004",
              "refsource": "SUSE",
              "url": "https://hermes.opensuse.org/messages/13154637"
            },
            {
              "name": "DSA-2327",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2011/dsa-2327"
            },
            {
              "name": "MDVSA-2012:001",
              "refsource": "MANDRIVA",
              "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:001"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2011-2766",
    "datePublished": "2011-09-23T10:00:00.000Z",
    "dateReserved": "2011-07-19T00:00:00.000Z",
    "dateUpdated": "2024-08-06T23:15:30.862Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2011-2766",
      "date": "2026-07-16",
      "epss": "0.07238",
      "percentile": "0.93626"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fast_cgi_project:fast_cgi:*:*:*:*:*:perl:*:*\", \"versionStartIncluding\": \"0.70\", \"versionEndIncluding\": \"0.73\", \"matchCriteriaId\": \"16AEBF10-D97B-4BC0-AF31-892ECA37EB06\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"8C757774-08E7-40AA-B532-6F705C8F7639\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"036E8A89-7A16-411F-9D31-676313BB7244\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"16F59A04-14CF-49E2-9973-645477EA09DA\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.\"}, {\"lang\": \"es\", \"value\": \"El m\\u00f3dulo FCGI (tambi\\u00e9n conocido como Fast CGI) v0.70 hasta v0.73 para Perl, como se usa en CGI::Fast, usa valores de variables de entorno para una peticni\\u00f3n durante el procesado de una petici\\u00f3n posterior, lo que permite a atacantes remotos eludir la autenticaci\\u00f3n a trav\\u00e9s de cabeceras HTTP modificadas.\"}]",
      "id": "CVE-2011-2766",
      "lastModified": "2024-11-21T01:28:55.787",
      "metrics": "{\"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2011-09-23T10:55:03.240",
      "references": "[{\"url\": \"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.debian.org/security/2011/dsa-2327\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2012:001\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2011/09/08/1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2011/09/08/2\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/49549\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=736604\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/69709\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://hermes.opensuse.org/messages/13154637\", \"source\": \"cve@mitre.org\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hermes.opensuse.org/messages/13155253\", \"source\": \"cve@mitre.org\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://rt.cpan.org/Public/Bug/Display.html?id=68380\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.debian.org/security/2011/dsa-2327\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.mandriva.com/security/advisories?name=MDVSA-2012:001\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2011/09/08/1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2011/09/08/2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/49549\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=736604\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Third Party Advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/69709\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://hermes.opensuse.org/messages/13154637\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://hermes.opensuse.org/messages/13155253\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"https://rt.cpan.org/Public/Bug/Display.html?id=68380\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-287\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2011-2766\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2011-09-23T10:55:03.240\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.\"},{\"lang\":\"es\",\"value\":\"El m\u00f3dulo FCGI (tambi\u00e9n conocido como Fast CGI) v0.70 hasta v0.73 para Perl, como se usa en CGI::Fast, usa valores de variables de entorno para una peticni\u00f3n durante el procesado de una petici\u00f3n posterior, lo que permite a atacantes remotos eludir la autenticaci\u00f3n a trav\u00e9s de cabeceras HTTP modificadas.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fast_cgi_project:fast_cgi:*:*:*:*:*:perl:*:*\",\"versionStartIncluding\":\"0.70\",\"versionEndIncluding\":\"0.73\",\"matchCriteriaId\":\"16AEBF10-D97B-4BC0-AF31-892ECA37EB06\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8C757774-08E7-40AA-B532-6F705C8F7639\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"036E8A89-7A16-411F-9D31-676313BB7244\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"16F59A04-14CF-49E2-9973-645477EA09DA\"}]}]}],\"references\":[{\"url\":\"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2011/dsa-2327\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2012:001\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/09/08/1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/09/08/2\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/49549\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=736604\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/69709\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://hermes.opensuse.org/messages/13154637\",\"source\":\"cve@mitre.org\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hermes.opensuse.org/messages/13155253\",\"source\":\"cve@mitre.org\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://rt.cpan.org/Public/Bug/Display.html?id=68380\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=607479\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.debian.org/security/2011/dsa-2327\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.mandriva.com/security/advisories?name=MDVSA-2012:001\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/09/08/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2011/09/08/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.securityfocus.com/bid/49549\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=736604\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/69709\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://hermes.opensuse.org/messages/13154637\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://hermes.opensuse.org/messages/13155253\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Broken Link\"]},{\"url\":\"https://rt.cpan.org/Public/Bug/Display.html?id=68380\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Patch\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2025-11-21T12:55:44+00:00",
      "cve": "CVE-2011-2766",
      "id": "CVE-2011-2766",
      "initial_release_date": "2011-09-07T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "fcgi: Certain environment variables shared between first and subsequent HTTP requests",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-2766.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.