Vulnerability-Lookup

CNVD-2021-17583

Vulnerability from cnvd - Published: 2021-03-15

Title

NETGEAR JGS516PE/GS116Ev2拒绝服务漏洞

Description

NETGEAR JGS516PE/GS116Ev2是一款16端口千兆智能网管Plus交换机。 NETGEAR JGS516PE/GS116Ev2 2.6.0.43版存在拒绝服务漏洞。该漏洞源于TFTP服务器不能处理多个连接。攻击者可通过发送并发连接利用该漏洞导致设备重新启动。

Severity

中

Patch Name

NETGEAR JGS516PE/GS116Ev2拒绝服务漏洞的补丁

Patch Description

NETGEAR JGS516PE/GS116Ev2是一款16端口千兆智能网管Plus交换机。 NETGEAR JGS516PE/GS116Ev2 2.6.0.43版存在拒绝服务漏洞。该漏洞源于TFTP服务器不能处理多个连接。攻击者可通过发送并发连接利用该漏洞导致设备重新启动。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://www.netgear.com/support/product/GS116Ev2.aspx

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-35233

Impacted products

Name
['NETGEAR JGS516PE 2.6.0.43', 'NETGEAR GS116Ev2 2.6.0.43']

Show details on source website

JSON

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35233",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35233"
    }
  },
  "description": "NETGEAR JGS516PE/GS116Ev2\u662f\u4e00\u6b3e16\u7aef\u53e3\u5343\u5146\u667a\u80fd\u7f51\u7ba1Plus\u4ea4\u6362\u673a\u3002\n\nNETGEAR JGS516PE/GS116Ev2 2.6.0.43\u7248\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eTFTP\u670d\u52a1\u5668\u4e0d\u80fd\u5904\u7406\u591a\u4e2a\u8fde\u63a5\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u5e76\u53d1\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.netgear.com/support/product/GS116Ev2.aspx",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-17583",
  "openTime": "2021-03-15",
  "patchDescription": "NETGEAR JGS516PE/GS116Ev2\u662f\u4e00\u6b3e16\u7aef\u53e3\u5343\u5146\u667a\u80fd\u7f51\u7ba1Plus\u4ea4\u6362\u673a\u3002\r\n\r\nNETGEAR JGS516PE/GS116Ev2 2.6.0.43\u7248\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eTFTP\u670d\u52a1\u5668\u4e0d\u80fd\u5904\u7406\u591a\u4e2a\u8fde\u63a5\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001\u5e76\u53d1\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\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": "NETGEAR JGS516PE/GS116Ev2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "NETGEAR JGS516PE 2.6.0.43",
      "NETGEAR GS116Ev2 2.6.0.43"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35233",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-11",
  "title": "NETGEAR JGS516PE/GS116Ev2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-35233 (GCVE-0-2020-35233)

Vulnerability from cvelistv5 – Published: 2021-03-10 18:16 – Updated: 2024-08-04 17:02

Summary

The TFTP server fails to handle multiple connections on NETGEAR JGS516PE/GS116Ev2 v2.6.0.43 devices, and allows external attackers to force device reboots by sending concurrent connections, aka a denial of service attack.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 27/100 over 2378 records in the last 180 days details

References

1 reference

URL	Tags
https://research.nccgroup.com/2021/03/08/technica…	x_refsource_MISC

Show details on NVD website

JSON

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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.
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Action not permitted

CNVD-2021-17583

CVE-2020-35233 (GCVE-0-2020-35233)

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Nomenclature

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