Vulnerability-Lookup

CNVD-2021-18021

Vulnerability from cnvd - Published: 2021-03-16

Title

SAP HANA身份验证绕过漏洞（CNVD-2021-18021）

Description

SAP HANA是德国思爱普（SAP）公司的一套高性能的实时数据分析平台。该平台提供数据查询功能，支持用户对查询实时业务数据进行查询和分析。 SAP HANA 2.0版本存在安全漏洞，该漏洞源于LDAP目录服务器被配置为启用未经身份验证的绑定。攻击者可利用该漏洞绕过身份验证。

Severity

高

Patch Name

SAP HANA身份验证绕过漏洞（CNVD-2021-18021）的补丁

Patch Description

SAP HANA是德国思爱普（SAP）公司的一套高性能的实时数据分析平台。该平台提供数据查询功能，支持用户对查询实时业务数据进行查询和分析。 SAP HANA 2.0版本存在安全漏洞，该漏洞源于LDAP目录服务器被配置为启用未经身份验证的绑定。攻击者可利用该漏洞绕过身份验证。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新：https://launchpad.support.sap.com/#/notes/3017378

Reference

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107

Impacted products

Name
SAP SAP HANA 2.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21484",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21484"
    }
  },
  "description": "SAP HANA\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5b9e\u65f6\u6570\u636e\u5206\u6790\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u63d0\u4f9b\u6570\u636e\u67e5\u8be2\u529f\u80fd\uff0c\u652f\u6301\u7528\u6237\u5bf9\u67e5\u8be2\u5b9e\u65f6\u4e1a\u52a1\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u548c\u5206\u6790\u3002\n\nSAP HANA 2.0\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eLDAP\u76ee\u5f55\u670d\u52a1\u5668\u88ab\u914d\u7f6e\u4e3a\u542f\u7528\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u7ed1\u5b9a\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://launchpad.support.sap.com/#/notes/3017378",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-18021",
  "openTime": "2021-03-16",
  "patchDescription": "SAP HANA\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5b9e\u65f6\u6570\u636e\u5206\u6790\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u63d0\u4f9b\u6570\u636e\u67e5\u8be2\u529f\u80fd\uff0c\u652f\u6301\u7528\u6237\u5bf9\u67e5\u8be2\u5b9e\u65f6\u4e1a\u52a1\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u548c\u5206\u6790\u3002\r\n\r\nSAP HANA 2.0\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eLDAP\u76ee\u5f55\u670d\u52a1\u5668\u88ab\u914d\u7f6e\u4e3a\u542f\u7528\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u7ed1\u5b9a\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "SAP HANA\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2021-18021\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "SAP SAP HANA 2.0"
  },
  "referenceLink": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-10",
  "title": "SAP HANA\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2021-18021\uff09"
}

CVE-2021-21484 (GCVE-0-2021-21484)

Vulnerability from cvelistv5 – Published: 2021-03-09 14:11 – Updated: 2024-08-03 18:16

Summary

LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind.

Severity

7.7 (High)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

CWE

Authentication Bypass

Assigner

sap mitre root

References

2 references

URL	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.acti…	x_refsource_MISC
https://launchpad.support.sap.com/#/notes/3017378	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
SAP SE	SAP HANA	Affected: < 2.0

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:16:22.549Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://launchpad.support.sap.com/#/notes/3017378"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP HANA",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Authentication Bypass",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-09T14:11:24.000Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
        "shortName": "sap"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://launchpad.support.sap.com/#/notes/3017378"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2021-21484",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "SAP HANA",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "\u003c",
                            "version_value": "2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "SAP SE"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "LDAP authentication in SAP HANA Database version 2.0 can be bypassed if the attached LDAP directory server is configured to enable unauthenticated bind."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "7.7",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Authentication Bypass"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107",
              "refsource": "MISC",
              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=571343107"
            },
            {
              "name": "https://launchpad.support.sap.com/#/notes/3017378",
              "refsource": "MISC",
              "url": "https://launchpad.support.sap.com/#/notes/3017378"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2021-21484",
    "datePublished": "2021-03-09T14:11:24.000Z",
    "dateReserved": "2020-12-30T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:16:22.549Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

CNVD-2021-18021

CVE-2021-21484 (GCVE-0-2021-21484)

Tags

Sightings

Nomenclature

Related by attack behaviour