GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2008-0927 (GCVE-0-2008-0927)

Vulnerability from cvelistv5 – Published: 2008-04-14 16:00 – Updated: 2024-08-07 08:01
VLAI
Summary
dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values. NOTE: this might be similar to CVE-2008-1777.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.securityfocus.com/archive/1/491622/100… mailing-listx_refsource_BUGTRAQ
http://www.securitytracker.com/id?1019836 vdb-entryx_refsource_SECTRACK
http://secunia.com/advisories/29805 third-party-advisoryx_refsource_SECUNIA
http://www.novell.com/support/viewContent.do?exte… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2008/1217… vdb-entryx_refsource_VUPEN
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.securityfocus.com/bid/28757 vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/5547 exploitx_refsource_EXPLOIT-DB
Date Public
2008-04-11 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T08:01:40.113Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20080505 Novell eDirectory DoS via HTTP headers",
            "tags": [
              "mailing-list",
              "x_refsource_BUGTRAQ",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
          },
          {
            "name": "1019836",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id?1019836"
          },
          {
            "name": "29805",
            "tags": [
              "third-party-advisory",
              "x_refsource_SECUNIA",
              "x_transferred"
            ],
            "url": "http://secunia.com/advisories/29805"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
          },
          {
            "name": "ADV-2008-1217",
            "tags": [
              "vdb-entry",
              "x_refsource_VUPEN",
              "x_transferred"
            ],
            "url": "http://www.vupen.com/english/advisories/2008/1217/references"
          },
          {
            "name": "novell-edirectory-dhost-dos(41787)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
          },
          {
            "name": "28757",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/28757"
          },
          {
            "name": "5547",
            "tags": [
              "exploit",
              "x_refsource_EXPLOIT-DB",
              "x_transferred"
            ],
            "url": "https://www.exploit-db.com/exploits/5547"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2008-04-11T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values.  NOTE: this might be similar to CVE-2008-1777."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-10-15T20:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "name": "20080505 Novell eDirectory DoS via HTTP headers",
          "tags": [
            "mailing-list",
            "x_refsource_BUGTRAQ"
          ],
          "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
        },
        {
          "name": "1019836",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id?1019836"
        },
        {
          "name": "29805",
          "tags": [
            "third-party-advisory",
            "x_refsource_SECUNIA"
          ],
          "url": "http://secunia.com/advisories/29805"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
        },
        {
          "name": "ADV-2008-1217",
          "tags": [
            "vdb-entry",
            "x_refsource_VUPEN"
          ],
          "url": "http://www.vupen.com/english/advisories/2008/1217/references"
        },
        {
          "name": "novell-edirectory-dhost-dos(41787)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
        },
        {
          "name": "28757",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/28757"
        },
        {
          "name": "5547",
          "tags": [
            "exploit",
            "x_refsource_EXPLOIT-DB"
          ],
          "url": "https://www.exploit-db.com/exploits/5547"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2008-0927",
          "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": "dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values.  NOTE: this might be similar to CVE-2008-1777."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20080505 Novell eDirectory DoS via HTTP headers",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
            },
            {
              "name": "1019836",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id?1019836"
            },
            {
              "name": "29805",
              "refsource": "SECUNIA",
              "url": "http://secunia.com/advisories/29805"
            },
            {
              "name": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1",
              "refsource": "CONFIRM",
              "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
            },
            {
              "name": "ADV-2008-1217",
              "refsource": "VUPEN",
              "url": "http://www.vupen.com/english/advisories/2008/1217/references"
            },
            {
              "name": "novell-edirectory-dhost-dos(41787)",
              "refsource": "XF",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
            },
            {
              "name": "28757",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/28757"
            },
            {
              "name": "5547",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/5547"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2008-0927",
    "datePublished": "2008-04-14T16:00:00.000Z",
    "dateReserved": "2008-02-25T00:00:00.000Z",
    "dateUpdated": "2024-08-07T08:01:40.113Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2008-0927",
      "date": "2026-09-18",
      "epss": "0.7005",
      "percentile": "0.99345"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:novell:edirectory:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "5B50CE5C-1108-405A-8FE9-C12542F774A2",
                  "versionEndIncluding": "8.7.3.9",
                  "vulnerable": false
                },
                {
                  "criteria": "cpe:2.3:a:novell:edirectory:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "4CC8C64B-A5E6-4022-B55A-F2E80AB3D8F3",
                  "versionEndExcluding": "8.8.2",
                  "versionStartIncluding": "8.8",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:microsoft:windows-nt:2000:*:*:*:*:*:*:*",
                  "matchCriteriaId": "4EA9CCBA-D930-4EC2-9C51-C44B52A2B69F",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows-nt:2003:*:*:*:*:*:*:*",
                  "matchCriteriaId": "CADAB8CD-9972-4535-9963-80A3EDB57925",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values.  NOTE: this might be similar to CVE-2008-1777."
        },
        {
          "lang": "es",
          "value": "El archivo dhost.exe en Novell eDirectory versi\u00f3n 8.7.3 anterior a las versiones sp10 y 8.8.2 permite a los atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU) por medio de una petici\u00f3n HTTP con (1) varios encabezados de conexi\u00f3n o (2) un encabezado de conexi\u00f3n con varios valores separados por comas. NOTA: esta vulnerabilidad podr\u00eda ser similar a CVE-2008-1777."
        }
      ],
      "id": "CVE-2008-0927",
      "lastModified": "2024-11-21T00:43:14.720",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.0,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 10.0,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": false
          }
        ]
      },
      "published": "2008-04-14T16:05:00.000",
      "references": [
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://secunia.com/advisories/29805"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/28757"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securitytracker.com/id?1019836"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2008/1217/references"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
        },
        {
          "source": "cve@mitre.org",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "https://www.exploit-db.com/exploits/5547"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://secunia.com/advisories/29805"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Vendor Advisory"
          ],
          "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securityfocus.com/bid/28757"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "http://www.securitytracker.com/id?1019836"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "http://www.vupen.com/english/advisories/2008/1217/references"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory",
            "VDB Entry"
          ],
          "url": "https://www.exploit-db.com/exploits/5547"
        }
      ],
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-399"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:novell:edirectory:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "5B50CE5C-1108-405A-8FE9-C12542F774A2",
                    "versionEndIncluding": "8.7.3.9",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:a:novell:edirectory:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4CC8C64B-A5E6-4022-B55A-F2E80AB3D8F3",
                    "versionEndExcluding": "8.8.2",
                    "versionStartIncluding": "8.8",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows-nt:2000:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4EA9CCBA-D930-4EC2-9C51-C44B52A2B69F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows-nt:2003:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CADAB8CD-9972-4535-9963-80A3EDB57925",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values.  NOTE: this might be similar to CVE-2008-1777."
          },
          {
            "lang": "es",
            "value": "El archivo dhost.exe en Novell eDirectory versi\u00f3n 8.7.3 anterior a las versiones sp10 y 8.8.2 permite a los atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de CPU) por medio de una petici\u00f3n HTTP con (1) varios encabezados de conexi\u00f3n o (2) un encabezado de conexi\u00f3n con varios valores separados por comas. NOTA: esta vulnerabilidad podr\u00eda ser similar a CVE-2008-1777."
          }
        ],
        "id": "CVE-2008-0927",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.0,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2008-04-14T16:05:00.000",
        "references": [
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://secunia.com/advisories/29805"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/28757"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id?1019836"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2008/1217/references"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://www.exploit-db.com/exploits/5547"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://secunia.com/advisories/29805"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "http://www.novell.com/support/viewContent.do?externalId=3829452\u0026sliceId=1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/archive/1/491622/100/0/threaded"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/28757"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securitytracker.com/id?1019836"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.vupen.com/english/advisories/2008/1217/references"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/41787"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://www.exploit-db.com/exploits/5547"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-399"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    }
  }
}



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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.