cnvd - cnvd-2022-01689

cnvd-2022-01689

Vulnerability from cnvd

Title: ZyXEL GS1900访问控制错误漏洞

Description:

Zyxel ZyXEL GS1900是中国台湾合勤（Zyxel）公司的一款管理型交换机。

多款Zyxel产品中存在访问控制错误漏洞，该漏洞源于产品的TFTP客户端未对可执行系统命令的功能添加权限控制。攻击者可在登陆后通过该漏洞执行任意操作系统命令。

Severity: 高

Patch Name: ZyXEL GS1900访问控制错误漏洞的补丁

Patch Description:

Zyxel ZyXEL GS1900是中国台湾合勤（Zyxel）公司的一款管理型交换机。

多款Zyxel产品中存在访问控制错误漏洞，该漏洞源于产品的TFTP客户端未对可执行系统命令的功能添加权限控制。攻击者可在登陆后通过该漏洞执行任意操作系统命令。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://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-35031

Impacted products

Name
['ZyXEL GS1900', 'ZyXEL XGS1250', 'ZyXEL XGS1210']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-35031"
    }
  },
  "description": "Zyxel ZyXEL GS1900\u662f\u4e2d\u56fd\u53f0\u6e7e\u5408\u52e4\uff08Zyxel\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7ba1\u7406\u578b\u4ea4\u6362\u673a\u3002\n\n\u591a\u6b3eZyxel\u4ea7\u54c1\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684TFTP\u5ba2\u6237\u7aef\u672a\u5bf9\u53ef\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u7684\u529f\u80fd\u6dfb\u52a0\u6743\u9650\u63a7\u5236\u3002\u653b\u51fb\u8005\u53ef\u5728\u767b\u9646\u540e\u901a\u8fc7\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\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://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-01689",
  "openTime": "2021-12-31",
  "patchDescription": "Zyxel ZyXEL GS1900\u662f\u4e2d\u56fd\u53f0\u6e7e\u5408\u52e4\uff08Zyxel\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u7ba1\u7406\u578b\u4ea4\u6362\u673a\u3002\r\n\r\n\u591a\u6b3eZyxel\u4ea7\u54c1\u4e2d\u5b58\u5728\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4ea7\u54c1\u7684TFTP\u5ba2\u6237\u7aef\u672a\u5bf9\u53ef\u6267\u884c\u7cfb\u7edf\u547d\u4ee4\u7684\u529f\u80fd\u6dfb\u52a0\u6743\u9650\u63a7\u5236\u3002\u653b\u51fb\u8005\u53ef\u5728\u767b\u9646\u540e\u901a\u8fc7\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4\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": "ZyXEL GS1900\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "ZyXEL GS1900",
      "ZyXEL XGS1250",
      "ZyXEL XGS1210"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-35031",
  "serverity": "\u9ad8",
  "submitTime": "2021-12-29",
  "title": "ZyXEL GS1900\u8bbf\u95ee\u63a7\u5236\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2021-35031 (GCVE-0-2021-35031)

Vulnerability from cvelistv5

Published

2021-12-28 10:36

Modified

2024-08-04 00:33

Severity ?

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

CWE

CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Summary

A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.

References

▼	URL	Tags
	https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

Zyxel

GS1900 series firmware

Version: 2.60

	Zyxel	XGS1210 series firmware	Version: 1.00(ABTY.4)C0
	Zyxel	XGS1250 series firmware	Version: 1.00(ABWE.0)C0

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T00:33:49.873Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "GS1900 series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "2.60"
            }
          ]
        },
        {
          "product": "XGS1210 series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "1.00(ABTY.4)C0"
            }
          ]
        },
        {
          "product": "XGS1250 series firmware",
          "vendor": "Zyxel",
          "versions": [
            {
              "status": "affected",
              "version": "1.00(ABWE.0)C0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-78",
              "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-12-28T16:05:43",
        "orgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
        "shortName": "Zyxel"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@zyxel.com.tw",
          "ID": "CVE-2021-35031",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "GS1900 series firmware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "2.60"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "XGS1210 series firmware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "1.00(ABTY.4)C0"
                          }
                        ]
                      }
                    },
                    {
                      "product_name": "XGS1250 series firmware",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "1.00(ABWE.0)C0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Zyxel"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "value": "A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device."
            }
          ]
        },
        "impact": {
          "cvss": {
            "baseScore": "6.8",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-78: Improper Neutralization of Special Elements used in an OS Command (\u0027OS Command Injection\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml",
              "refsource": "CONFIRM",
              "url": "https://www.zyxel.com/support/Zyxel_security_advisory_for_OS_command_injection_vulnerabilities_of_switches.shtml"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "96e50032-ad0d-4058-a115-4d2c13821f9f",
    "assignerShortName": "Zyxel",
    "cveId": "CVE-2021-35031",
    "datePublished": "2021-12-28T10:36:23",
    "dateReserved": "2021-06-17T00:00:00",
    "dateUpdated": "2024-08-04T00:33:49.873Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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