Vulnerability-Lookup

CNVD-2021-45455

Vulnerability from cnvd - Published: 2021-06-28

Title

MOXA Mgate MB3180拒绝服务漏洞

Description

MOXA MGate MB3180是科技产品，端口传输率为0.9216Mbps。 MOXA Mgate MB3180 2.1 Build 18113012版本存在拒绝服务。攻击者可通过使用slowhttptest工具发送不完整的HTTP请求利用该漏洞耗尽Web服务的资源，从而导致拒绝服务。

Severity

中

Patch Name

MOXA Mgate MB3180拒绝服务漏洞的补丁

Patch Description

MOXA MGate MB3180是科技产品，端口传输率为0.9216Mbps。 MOXA Mgate MB3180 2.1 Build 18113012版本存在拒绝服务。攻击者可通过使用slowhttptest工具发送不完整的HTTP请求利用该漏洞耗尽Web服务的资源，从而导致拒绝服务。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

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://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series

Reference

http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33824

Impacted products

Name
Moxa MGate MB3180 2.1 Build 18113012

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-33824",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-33824"
    }
  },
  "description": "MOXA MGate MB3180\u662f\u79d1\u6280\u4ea7\u54c1\uff0c\u7aef\u53e3\u4f20\u8f93\u7387\u4e3a0.9216Mbps\u3002\n\nMOXA Mgate MB3180 2.1 Build 18113012\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528slowhttptest\u5de5\u5177\u53d1\u9001\u4e0d\u5b8c\u6574\u7684HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3dWeb\u670d\u52a1\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-45455",
  "openTime": "2021-06-28",
  "patchDescription": "MOXA MGate MB3180\u662f\u79d1\u6280\u4ea7\u54c1\uff0c\u7aef\u53e3\u4f20\u8f93\u7387\u4e3a0.9216Mbps\u3002\r\n\r\nMOXA Mgate MB3180 2.1 Build 18113012\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528slowhttptest\u5de5\u5177\u53d1\u9001\u4e0d\u5b8c\u6574\u7684HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8017\u5c3dWeb\u670d\u52a1\u7684\u8d44\u6e90\uff0c\u4ece\u800c\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "MOXA Mgate MB3180\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Moxa MGate MB3180 2.1 Build 18113012"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33824",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-22",
  "title": "MOXA Mgate MB3180\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-33824 (GCVE-0-2021-33824)

Vulnerability from cvelistv5 – Published: 2021-06-18 19:08 – Updated: 2024-08-03 23:58

Summary

An issue was discovered on MOXA Mgate MB3180 Version 2.1 Build 18113012. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/shekyan/slowhttptest	x_refsource_MISC
https://www.moxa.com/en/products/industrial-edge-…	x_refsource_MISC
https://github.com/Jian-Xian/CVE-POC/blob/master/…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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            "url": "https://www.moxa.com/en/products/industrial-edge-connectivity/protocol-gateways/modbus-tcp-gateways/mgate-mb3180-mb3280-mb3480-series"
          },
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            "url": "https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33824.md"
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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.

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CNVD-2021-45455

CVE-2021-33824 (GCVE-0-2021-33824)

Tags

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Nomenclature

Related by attack behaviour