Vulnerability-Lookup

CNVD-2021-29099

Vulnerability from cnvd - Published: 2021-04-18

Title

SAP NetWeaver AS ABAP拒绝服务漏洞（CNVD-2021-29099）

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 ABAP 731、740和750版本存在拒绝服务漏洞。该漏洞源于程序启用了RFC的功能模块SPI_WAIT_MILLIS。攻击者可通过调用此功能模块利用该漏洞阻止所有工作流程，从而导致拒绝服务并影响SAP系统的可用性。

Severity

中

Patch Name

SAP NetWeaver AS ABAP拒绝服务漏洞（CNVD-2021-29099）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649

Reference

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27603

Impacted products

Name
['SAP NetWeaver AS ABAP 731', 'SAP NetWeaver AS ABAP 740', 'SAP NetWeaver AS ABAP 750']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-27603",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-27603"
    }
  },
  "description": "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\n\nSAP NetWeaver AS ABAP 731\u3001740\u548c750\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u542f\u7528\u4e86RFC\u7684\u529f\u80fd\u6a21\u5757SPI_WAIT_MILLIS\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8c03\u7528\u6b64\u529f\u80fd\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u963b\u6b62\u6240\u6709\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u5e76\u5f71\u54cdSAP\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a\r\nhttps://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-29099",
  "openTime": "2021-04-18",
  "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 ABAP 731\u3001740\u548c750\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u542f\u7528\u4e86RFC\u7684\u529f\u80fd\u6a21\u5757SPI_WAIT_MILLIS\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u8c03\u7528\u6b64\u529f\u80fd\u6a21\u5757\u5229\u7528\u8be5\u6f0f\u6d1e\u963b\u6b62\u6240\u6709\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u5e76\u5f71\u54cdSAP\u7cfb\u7edf\u7684\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 ABAP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-29099\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "SAP NetWeaver AS ABAP 731",
      "SAP NetWeaver AS ABAP 740",
      "SAP NetWeaver AS ABAP 750"
    ]
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27603",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-16",
  "title": "SAP NetWeaver AS ABAP\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-29099\uff09"
}

CVE-2021-27603 (GCVE-0-2021-27603)

Vulnerability from cvelistv5 – Published: 2021-04-13 18:40 – Updated: 2024-08-03 21:26

Summary

An RFC enabled function module SPI_WAIT_MILLIS in SAP NetWeaver AS ABAP, versions - 731, 740, 750, allows to keep a work process busy for any length of time. An attacker could call this function module multiple times to block all work processes thereby causing Denial of Service and affecting the Availability of the SAP system.

Severity

6.5 (Medium)


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

CWE

Denial of Service

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/3028729	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
SAP SE	SAP NetWeaver AS for ABAP	Affected: < 731 Affected: < 740 Affected: < 750

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-03T21:26:10.122Z",
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              "x_transferred"
            ],
            "url": "https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=573801649"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://launchpad.support.sap.com/#/notes/3028729"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "SAP NetWeaver AS for ABAP",
          "vendor": "SAP SE",
          "versions": [
            {
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            },
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              "version": "\u003c 740"
            },
            {
              "status": "affected",
              "version": "\u003c 750"
            }
          ]
        }
      ],
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          "lang": "en",
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        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          }
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      ],
      "problemTypes": [
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        },
        {
          "tags": [
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          ],
          "url": "https://launchpad.support.sap.com/#/notes/3028729"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cna@sap.com",
          "ID": "CVE-2021-27603",
          "STATE": "PUBLIC"
        },
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            "vendor_data": [
              {
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                    {
                      "product_name": "SAP NetWeaver AS for ABAP",
                      "version": {
                        "version_data": [
                          {
                            "version_name": "\u003c",
                            "version_value": "731"
                          },
                          {
                            "version_name": "\u003c",
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                          },
                          {
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            }
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            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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            },
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  },
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

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CNVD-2021-29099

CVE-2021-27603 (GCVE-0-2021-27603)

Tags

Sightings

Nomenclature

Related by attack behaviour