cnvd - cnvd-2020-31998

cnvd-2020-31998

Vulnerability from cnvd

Title: 多款Cisco产品输入验证错误漏洞（CNVD-2020-31998）

Description:

Cisco IP Phone 7811等都是美国思科（Cisco）公司的一款IP电话。

多款Cisco产品的Web server中存在输入验证错误漏洞，该漏洞源于程序未能对HTTP请求进行正确的输入验证。攻击者可借助特制HTTP请求利用该漏洞以root权限执行代码或造成拒绝服务。

Severity: 高

Patch Name: 多款Cisco产品输入验证错误漏洞（CNVD-2020-31998）的补丁

Patch Description:

Cisco IP Phone 7811等都是美国思科（Cisco）公司的一款IP电话。

多款Cisco产品的Web server中存在输入验证错误漏洞，该漏洞源于程序未能对HTTP请求进行正确的输入验证。攻击者可借助特制HTTP请求利用该漏洞以root权限执行代码或造成拒绝服务。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-3161

Impacted products

Name
['Cisco IP Phone 7861', 'Cisco IP Phone 7811', 'Cisco IP Phone 7821', 'Cisco IP Phone 7841', 'Cisco IP Phone 8811', 'Cisco IP Phone 8841', 'Cisco IP Phone 8845', 'Cisco IP Phone 8851', 'Cisco IP Phone 8861', 'Cisco IP Phone 8865', 'Cisco Unified IP Conference Phone 8831', 'Cisco Wireless IP Phone 8821', 'Cisco Wireless IP Phone 8821-EX']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-3161"
    }
  },
  "description": "Cisco IP Phone 7811\u7b49\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3eIP\u7535\u8bdd\u3002\n\n\u591a\u6b3eCisco\u4ea7\u54c1\u7684Web server\u4e2d\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9HTTP\u8bf7\u6c42\u8fdb\u884c\u6b63\u786e\u7684\u8f93\u5165\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-31998",
  "openTime": "2020-06-09",
  "patchDescription": "Cisco IP Phone 7811\u7b49\u90fd\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u6b3eIP\u7535\u8bdd\u3002\r\n\r\n\u591a\u6b3eCisco\u4ea7\u54c1\u7684Web server\u4e2d\u5b58\u5728\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9HTTP\u8bf7\u6c42\u8fdb\u884c\u6b63\u786e\u7684\u8f93\u5165\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236HTTP\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\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": "\u591a\u6b3eCisco\u4ea7\u54c1\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-31998\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco IP Phone 7861",
      "Cisco IP Phone 7811",
      "Cisco IP Phone 7821",
      "Cisco IP Phone 7841",
      "Cisco IP Phone 8811",
      "Cisco IP Phone 8841",
      "Cisco IP Phone 8845",
      "Cisco IP Phone 8851",
      "Cisco IP Phone 8861",
      "Cisco IP Phone 8865",
      "Cisco Unified IP Conference Phone 8831",
      "Cisco Wireless IP Phone 8821",
      "Cisco Wireless IP Phone 8821-EX"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-3161",
  "serverity": "\u9ad8",
  "submitTime": "2020-04-16",
  "title": "\u591a\u6b3eCisco\u4ea7\u54c1\u8f93\u5165\u9a8c\u8bc1\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2020-31998\uff09"
}

CVE-2020-3161 (GCVE-0-2020-3161)

Vulnerability from cvelistv5

Published

2020-04-15 20:10

Modified

2025-07-30 01:45

Severity ?

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-20

Summary

A vulnerability in the web server for Cisco IP Phones could allow an unauthenticated, remote attacker to execute code with root privileges or cause a reload of an affected IP phone, resulting in a denial of service (DoS) condition. The vulnerability is due to a lack of proper input validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web server of a targeted device. A successful exploit could allow the attacker to remotely execute code with root privileges or cause a reload of an affected IP phone, resulting in a DoS condition.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs	vendor-advisory, x_refsource_CISCO
	http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IP phone	Version: n/a

Show details on NVD website

JSON

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            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-voip-phones-rce-dos-rB6EeRXs"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/157265/Cisco-IP-Phone-11.7-Denial-Of-Service.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
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              "content": {
                "id": "CVE-2020-3161",
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                  },
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                  }
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          },
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                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3161"
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    ],
    "cna": {
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          "versions": [
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        }
      ],
      "exploits": [
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      "metrics": [
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  },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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