Vulnerability-Lookup

CNVD-2020-62998

Vulnerability from cnvd - Published: 2020-11-13

Title

SAP NetWeaver AS JAVA命令执行漏洞（CNVD-2020-62998）

Description

SAP Netweaver是德国思爱普（SAP）公司的一套面向服务的集成化应用平台。该平台主要为SAP应用程序提供开发和运行环境。 SAP NetWeaver AS JAVA 7.20版本，7.30版本，7.31版本，7.40版本，7.50版本存在安全漏洞，该漏洞允许作为管理员身份验证的攻击者使用管理员控制台，公开对文件系统的未经身份验证的访问，并上载恶意文件。攻击者可利用该漏洞或其他用户可以使用单独的机制通过上传的文件执行操作系统命令，从而导致权限升级，并完全危及服务器操作系统及其上运行的任何应用程序的机密性、完整性和可用性。

Severity

高

Patch Name

SAP NetWeaver AS JAVA命令执行漏洞（CNVD-2020-62998）的补丁

Patch Description

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/2979062

Reference

https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571

Impacted products

Name
['SAP SAP NetWeaver AS JAVA 7.20', 'SAP SAP NetWeaver AS JAVA 7.30', 'SAP SAP NetWeaver AS JAVA 7.31', 'SAP SAP NetWeaver AS JAVA 7.40', 'SAP SAP NetWeaver AS JAVA 7.50']

Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-26820",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26820"
    }
  },
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  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://launchpad.support.sap.com/#/notes/2979062",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-62998",
  "openTime": "2020-11-13",
  "patchDescription": "SAP Netweaver\u662f\u5fb7\u56fd\u601d\u7231\u666e\uff08SAP\uff09\u516c\u53f8\u7684\u4e00\u5957\u9762\u5411\u670d\u52a1\u7684\u96c6\u6210\u5316\u5e94\u7528\u5e73\u53f0\u3002\u8be5\u5e73\u53f0\u4e3b\u8981\u4e3aSAP\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5f00\u53d1\u548c\u8fd0\u884c\u73af\u5883\u3002\r\n\r\nSAP NetWeaver AS JAVA 7.20\u7248\u672c\uff0c7.30\u7248\u672c\uff0c7.31\u7248\u672c\uff0c7.40\u7248\u672c\uff0c7.50\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u5141\u8bb8\u4f5c\u4e3a\u7ba1\u7406\u5458\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u4f7f\u7528\u7ba1\u7406\u5458\u63a7\u5236\u53f0\uff0c\u516c\u5f00\u5bf9\u6587\u4ef6\u7cfb\u7edf\u7684\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u8bbf\u95ee\uff0c\u5e76\u4e0a\u8f7d\u6076\u610f\u6587\u4ef6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6216\u5176\u4ed6\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u5355\u72ec\u7684\u673a\u5236\u901a\u8fc7\u4e0a\u4f20\u7684\u6587\u4ef6\u6267\u884c\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\uff0c\u4ece\u800c\u5bfc\u81f4\u6743\u9650\u5347\u7ea7\uff0c\u5e76\u5b8c\u5168\u5371\u53ca\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u53ca\u5176\u4e0a\u8fd0\u884c\u7684\u4efb\u4f55\u5e94\u7528\u7a0b\u5e8f\u7684\u673a\u5bc6\u6027\u3001\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\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 NetWeaver AS JAVA\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2020-62998\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "SAP SAP NetWeaver AS JAVA 7.20",
      "SAP SAP NetWeaver AS JAVA 7.30",
      "SAP SAP NetWeaver AS JAVA 7.31",
      "SAP SAP NetWeaver AS JAVA 7.40",
      "SAP SAP NetWeaver AS JAVA 7.50"
    ]
  },
  "referenceLink": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571",
  "serverity": "\u9ad8",
  "submitTime": "2020-11-12",
  "title": "SAP NetWeaver AS JAVA\u547d\u4ee4\u6267\u884c\u6f0f\u6d1e\uff08CNVD-2020-62998\uff09"
}

CVE-2020-26820 (GCVE-0-2020-26820)

Vulnerability from cvelistv5 – Published: 2020-11-10 16:14 – Updated: 2024-08-04 16:03

Summary

SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it.

Severity

9.1 (Critical)


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

CWE

Privilege escalation

Assigner

sap mitre root

References

4 references

URL	Tags
https://wiki.scn.sap.com/wiki/pages/viewpage.acti…	x_refsource_MISC
https://launchpad.support.sap.com/#/notes/2979062	x_refsource_MISC
http://seclists.org/fulldisclosure/2021/Apr/7	mailing-listx_refsource_FULLDISC
http://packetstormsecurity.com/files/162086/SAP-J…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
SAP SE	SAP NetWeaver AS JAVA	Affected: < 7.20 Affected: < 7.30 Affected: < 7.31 Affected: < 7.40 Affected: < 7.50

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:03:22.700Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
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              "x_transferred"
            ],
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://launchpad.support.sap.com/#/notes/2979062"
          },
          {
            "name": "20210405 Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS Remote Code Execution",
            "tags": [
              "mailing-list",
              "x_refsource_FULLDISC",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2021/Apr/7"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP NetWeaver AS JAVA",
          "vendor": "SAP SE",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 7.20"
            },
            {
              "status": "affected",
              "version": "\u003c 7.30"
            },
            {
              "status": "affected",
              "version": "\u003c 7.31"
            },
            {
              "status": "affected",
              "version": "\u003c 7.40"
            },
            {
              "status": "affected",
              "version": "\u003c 7.50"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "SAP NetWeaver AS JAVA, versions - 7.20, 7.30, 7.31, 7.40, 7.50, allows an attacker who is authenticated as an administrator to use the administrator console, to expose unauthenticated access to the file system and upload a malicious file. The attacker or another user can then use a separate mechanism to execute OS commands through the uploaded file leading to Privilege Escalation and completely compromise the confidentiality, integrity and availability of the server operating system and any application running on it."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Privilege escalation",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-06T15:06:18.000Z",
        "orgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
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      },
      "references": [
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        },
        {
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          "url": "https://launchpad.support.sap.com/#/notes/2979062"
        },
        {
          "name": "20210405 Onapsis Security Advisory 2021-0004: [CVE-2020-26820] - SAP Java OS Remote Code Execution",
          "tags": [
            "mailing-list",
            "x_refsource_FULLDISC"
          ],
          "url": "http://seclists.org/fulldisclosure/2021/Apr/7"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/162086/SAP-Java-OS-Remote-Code-Execution.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
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          "ID": "CVE-2020-26820",
          "STATE": "PUBLIC"
        },
        "affects": {
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              {
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                    {
                      "product_name": "SAP NetWeaver AS JAVA",
                      "version": {
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                          {
                            "version_name": "\u003c",
                            "version_value": "7.20"
                          },
                          {
                            "version_name": "\u003c",
                            "version_value": "7.30"
                          },
                          {
                            "version_name": "\u003c",
                            "version_value": "7.31"
                          },
                          {
                            "version_name": "\u003c",
                            "version_value": "7.40"
                          },
                          {
                            "version_name": "\u003c",
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                          }
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                      }
                    }
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                "vendor_name": "SAP SE"
              }
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            }
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        },
        "impact": {
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          }
        },
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              "description": [
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                  "lang": "eng",
                  "value": "Privilege escalation"
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          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571",
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              "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=562725571"
            },
            {
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            },
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            },
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            }
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      }
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  },
  "cveMetadata": {
    "assignerOrgId": "e4686d1a-f260-4930-ac4c-2f5c992778dd",
    "assignerShortName": "sap",
    "cveId": "CVE-2020-26820",
    "datePublished": "2020-11-10T16:14:04.000Z",
    "dateReserved": "2020-10-07T00:00:00.000Z",
    "dateUpdated": "2024-08-04T16:03:22.700Z",
    "state": "PUBLISHED"
  },
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  "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-2020-62998

CVE-2020-26820 (GCVE-0-2020-26820)

Tags

Sightings

Nomenclature

Related by attack behaviour