cnvd - cnvd-2021-45454

CNVD-2021-45454

Vulnerability from cnvd - Published: 2021-06-28

Title

MOXA Mgate MB3180拒绝服务漏洞（CNVD-2021-45454）

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。攻击者可通过发送大量TCP SYN数据包利用该漏洞耗尽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（CNVD-2021-45454）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。攻击者可通过发送大量TCP SYN数据包利用该漏洞耗尽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-2021-33823

Impacted products

Name
Moxa MGate MB3180 2.1 Build 18113012

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-33823",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-33823"
    }
  },
  "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\u53d1\u9001\u5927\u91cfTCP SYN\u6570\u636e\u5305\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-2021-45454",
  "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\u53d1\u9001\u5927\u91cfTCP SYN\u6570\u636e\u5305\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\uff08CNVD-2021-45454\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Moxa MGate MB3180 2.1 Build 18113012"
  },
  "referenceLink": "http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33823",
  "serverity": "\u4e2d",
  "submitTime": "2021-06-22",
  "title": "MOXA Mgate MB3180\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-45454\uff09"
}

CVE-2021-33823 (GCVE-0-2021-33823)

Vulnerability from cvelistv5 – Published: 2021-06-18 19:02 – Updated: 2024-08-03 23:58

Summary

An issue was discovered on MOXA Mgate MB3180 Version 2.1 Build 18113012. Attacker could send a huge amount of TCP SYN packet to make web service's resource exhausted. Then the web server is denial-of-service.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	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://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33823.md"
          }
        ],
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Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2021-45454

CVE-2021-33823 (GCVE-0-2021-33823)

Tags

Sightings

Nomenclature