Vulnerability-Lookup

CNVD-2021-49784

Vulnerability from cnvd - Published: 2021-07-12

Title

MikroTik RouterOS内存破坏漏洞（CNVD-2021-49784）

Description

MikroTik RouterOS是拉脱维亚MikroTik公司的一套基于Linux开发的路由器操作系统。该系统可部署在PC中，使其提供路由器功能。 MikroTik RouterOS在/nova/bin/sniffer进程中存在内存破坏漏洞。远程攻击者可利用漏洞导致拒绝服务。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://mikrotik.com/download/changelogs/stable-release-tree

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-20237

Impacted products

Name
MikroTik RouterOS 6.46.3

Show details on source website

JSON

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      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-20237"
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  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://mikrotik.com/download/changelogs/stable-release-tree",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-49784",
  "openTime": "2021-07-12",
  "products": {
    "product": "MikroTik RouterOS 6.46.3"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-20237",
  "serverity": "\u4e2d",
  "submitTime": "2021-05-11",
  "title": "MikroTik RouterOS\u5185\u5b58\u7834\u574f\u6f0f\u6d1e\uff08CNVD-2021-49784\uff09"
}

CVE-2020-20237 (GCVE-0-2020-20237)

Vulnerability from cvelistv5 – Published: 2021-05-18 18:22 – Updated: 2024-08-04 14:15

Summary

Mikrotik RouterOs 6.46.3 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/sniffer process. An authenticated remote attacker can cause a Denial of Service due to improper memory access.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://mikrotik.com/	x_refsource_MISC
	http://seclists.org/fulldisclosure/2021/May/15	mailing-listx_refsource_FULLDISC
	http://seclists.org/fulldisclosure/2021/May/15	x_refsource_MISC
	http://packetstormsecurity.com/files/162513/Mikro…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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-2021-49784

CVE-2020-20237 (GCVE-0-2020-20237)

Tags

Sightings

Nomenclature