cnvd - cnvd-2021-24468

cnvd-2021-24468

Vulnerability from cnvd

Title: Cisco IOS XE任意文件覆盖漏洞（CNVD-2021-24468）

Description:

Cisco IOS XE是美国Cisco公司为其网络设备开发的一套基于Linux内核的模块化操作系统。

Cisco IOS XE的SD-WAN的CLI存在任意文件覆盖漏洞。该漏洞源于对特定CLI命令的参数的验证不足。攻击者可利用该漏洞覆盖驻留在底层主机文件系统上的任意文件的内容。

Severity: 中

Patch Name: Cisco IOS XE任意文件覆盖漏洞（CNVD-2021-24468）的补丁

Patch Description:

Cisco IOS XE是美国Cisco公司为其网络设备开发的一套基于Linux内核的模块化操作系统。

Cisco IOS XE的SD-WAN的CLI存在任意文件覆盖漏洞。该漏洞源于对特定CLI命令的参数的验证不足。攻击者可利用该漏洞覆盖驻留在底层主机文件系统上的任意文件的内容。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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-1434

Impacted products

Name
['Cisco IOS XE 16.11.1', 'Cisco IOS XE 16.11.1a', 'Cisco IOS XE 16.11.1b', 'Cisco IOS XE 16.11.1c', 'Cisco IOS XE 16.11.1s', 'Cisco IOS XE 16.11.2', 'Cisco IOS XE 17.2.1v', 'Cisco IOS XE 16.12.1', 'Cisco IOS XE 16.12.1a', 'Cisco IOS XE 16.12.1c', 'Cisco IOS XE 16.12.1s', 'Cisco IOS XE 16.12.1t', 'Cisco IOS XE 16.12.1w', 'Cisco IOS XE 16.12.1x', 'Cisco IOS XE 16.12.1y', 'Cisco IOS XE 16.12.1z', 'Cisco IOS XE 16.12.1za', 'Cisco IOS XE 16.12.2', 'Cisco IOS XE 16.12.2a', 'Cisco IOS XE 16.12.3', 'Cisco IOS XE 16.12.3a', 'Cisco IOS XE 16.12.3s', 'Cisco IOS XE 17.2.1', 'Cisco IOS XE 17.2.1a', 'Cisco IOS XE 17.2.1r']

Name

['Cisco IOS XE 16.11.1', 'Cisco IOS XE 16.11.1a', 'Cisco IOS XE 16.11.1b', 'Cisco IOS XE 16.11.1c', 'Cisco IOS XE 16.11.1s', 'Cisco IOS XE 16.11.2', 'Cisco IOS XE 17.2.1v', 'Cisco IOS XE 16.12.1', 'Cisco IOS XE 16.12.1a', 'Cisco IOS XE 16.12.1c', 'Cisco IOS XE 16.12.1s', 'Cisco IOS XE 16.12.1t', 'Cisco IOS XE 16.12.1w', 'Cisco IOS XE 16.12.1x', 'Cisco IOS XE 16.12.1y', 'Cisco IOS XE 16.12.1z', 'Cisco IOS XE 16.12.1za', 'Cisco IOS XE 16.12.2', 'Cisco IOS XE 16.12.2a', 'Cisco IOS XE 16.12.3', 'Cisco IOS XE 16.12.3a', 'Cisco IOS XE 16.12.3s', 'Cisco IOS XE 17.2.1', 'Cisco IOS XE 17.2.1a', 'Cisco IOS XE 17.2.1r']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1434",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1434"
    }
  },
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  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-24468",
  "openTime": "2021-04-02",
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  "patchName": "Cisco IOS XE\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e\uff08CNVD-2021-24468\uff09\u7684\u8865\u4e01",
  "products": {
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      "Cisco IOS XE 16.11.1a",
      "Cisco IOS XE 16.11.1b",
      "Cisco IOS XE 16.11.1c",
      "Cisco IOS XE 16.11.1s",
      "Cisco IOS XE 16.11.2",
      "Cisco IOS XE 17.2.1v",
      "Cisco IOS XE 16.12.1",
      "Cisco IOS XE 16.12.1a",
      "Cisco IOS XE 16.12.1c",
      "Cisco IOS XE 16.12.1s",
      "Cisco IOS XE 16.12.1t",
      "Cisco IOS XE 16.12.1w",
      "Cisco IOS XE 16.12.1x",
      "Cisco IOS XE 16.12.1y",
      "Cisco IOS XE 16.12.1z",
      "Cisco IOS XE 16.12.1za",
      "Cisco IOS XE 16.12.2",
      "Cisco IOS XE 16.12.2a",
      "Cisco IOS XE 16.12.3",
      "Cisco IOS XE 16.12.3a",
      "Cisco IOS XE 16.12.3s",
      "Cisco IOS XE 17.2.1",
      "Cisco IOS XE 17.2.1a",
      "Cisco IOS XE 17.2.1r"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-1434",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-25",
  "title": "Cisco IOS XE\u4efb\u610f\u6587\u4ef6\u8986\u76d6\u6f0f\u6d1e\uff08CNVD-2021-24468\uff09"
}

CVE-2021-1434 (GCVE-0-2021-1434)

Vulnerability from cvelistv5

Published

2021-03-24 20:05

Modified

2024-11-08 23:36

Severity ?

4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CWE

CWE-552

Summary

A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying file system. This vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.

References

▼	URL	Tags
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-arbfile-FUxskKDE	vendor-advisory, x_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XE Software	Version: n/a

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
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          }
        ],
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      },
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                ],
                "role": "CISA Coordinator",
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        },
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          "vendor": "Cisco",
          "versions": [
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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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