Vulnerability-Lookup

CVE-2023-28800 (GCVE-0-2023-28800)

Vulnerability from cvelistv5 – Published: 2023-06-22 19:15 – Updated: 2024-12-06 15:13

Title

Output encoding missing in redrurl parameter

Summary

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-12-06 15:13 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Assigner

Zscaler

References

6 references

URL	Tags
https://help.zscaler.com/zscaler-client-connector…
https://help.zscaler.com/client-connector/client-…
https://help.zscaler.com/client-connector/client-…
https://help.zscaler.com/client-connector/client-…
https://help.zscaler.com/client-connector/client-…
https://help.zscaler.com/client-connector/client-…

Impacted products

1 product

Vendor	Product	Version
Zscaler	Client Connector	Affected: 0 , < 3.9 Mac, 3.7 Win, 1.9.3 iOS, 1.10.2 Android, 1.10.1 Chrome OS, 1.4 Linux (custom)

Credits

Tesla Red Team

Show details on NVD website

JSON

To clipboard

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      "cveMetadata": "{\"cveId\": \"CVE-2023-28800\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-06T15:13:35.280Z\", \"dateReserved\": \"2023-03-23T18:29:15.802Z\", \"assignerOrgId\": \"73c6f63b-efac-410d-a0a9-569700f85a04\", \"datePublished\": \"2023-06-22T19:15:55.258Z\", \"assignerShortName\": \"Zscaler\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

FKIE_CVE-2023-28800

Vulnerability from fkie_nvd - Published: 2023-06-22 20:15 - Updated: 2026-06-17 05:48

Severity

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

Summary

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

References

URL	Tags
cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.4&deployment_date=2022-10-31&id=1420246	Release Notes
cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android&applicable_version=1.10.2&deployment_date=2023-03-09&id=1447706	Release Notes
cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS&applicable_version=1.10.1&deployment_date=2023-03-10&id=1447771	Release Notes
cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS&applicable_version=1.9.3&deployment_date=2023-03-03&id=1447071	Release Notes
cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS&applicable_version=3.9&deployment_date=2023-01-25&id=1443546	Release Notes
cve@zscaler.com	https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows&applicable_version=3.7&deployment_date=2021-11-26&id=1386541	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux&applicable_version=1.4&deployment_date=2022-10-31&id=1420246	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android&applicable_version=1.10.2&deployment_date=2023-03-09&id=1447706	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS&applicable_version=1.10.1&deployment_date=2023-03-10&id=1447771	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS&applicable_version=1.9.3&deployment_date=2023-03-03&id=1447071	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS&applicable_version=3.9&deployment_date=2023-01-25&id=1443546	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows&applicable_version=3.7&deployment_date=2021-11-26&id=1386541	Release Notes

Impacted products

Vendor	Product	Version
zscaler	client_connector	*
zscaler	client_connector	*
zscaler	client_connector	*
zscaler	client_connector	*
zscaler	client_connector	*
zscaler	client_connector	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Client Connector",
          "vendor": "Zscaler",
          "versions": [
            {
              "lessThan": "3.9 Mac, 3.7 Win, 1.9.3 iOS, 1.10.2 Android, 1.10.1 Chrome OS, 1.4 Linux",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "cve@zscaler.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:linux:*:*",
              "matchCriteriaId": "904F4E73-6782-4AD8-8521-FEB473BF11CF",
              "versionEndExcluding": "1.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:iphone_os:*:*",
              "matchCriteriaId": "8580E274-19E5-454B-9FA4-F79D6E67C244",
              "versionEndExcluding": "1.9.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:chrome_os:*:*",
              "matchCriteriaId": "1A4B24E4-D317-4D64-8BBC-EF86290F812C",
              "versionEndExcluding": "1.10.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "753A378D-ECC2-4CBD-B142-58F413AF5497",
              "versionEndExcluding": "1.10.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "B549DC33-2238-4356-8079-A7D18323255E",
              "versionEndExcluding": "3.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*",
              "matchCriteriaId": "A2D8B3BE-B451-4596-8FDB-BD43BC2BB923",
              "versionEndExcluding": "3.9",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login."
    }
  ],
  "id": "CVE-2023-28800",
  "lastModified": "2026-06-17T05:48:47.937",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "cve@zscaler.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-28800",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-12-06T15:13:27.564632Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-06-22T20:15:09.373",
  "references": [
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
    },
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
    }
  ],
  "sourceIdentifier": "cve@zscaler.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "cve@zscaler.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-CRH5-RQ78-8M4H

Vulnerability from github – Published: 2023-06-22 21:30 – Updated: 2024-04-04 05:01

Details

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

Severity

8.1 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2023-28800"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20",
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-06-22T20:15:09Z",
    "severity": "MODERATE"
  },
  "details": "When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.\n\n",
  "id": "GHSA-crh5-rq78-8m4h",
  "modified": "2024-04-04T05:01:33Z",
  "published": "2023-06-22T21:30:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28800"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-28800

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.

Aliases

CVE-2023-28800

Aliases

CVE-2023-28800

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-28800",
    "id": "GSD-2023-28800"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-28800"
      ],
      "details": "When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.\n\n",
      "id": "GSD-2023-28800",
      "modified": "2023-12-13T01:20:48.672950Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@zscaler.com",
        "ID": "CVE-2023-28800",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Client Connector",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0",
                          "version_value": "3.9 Mac, 3.7 Win, 1.9.3 iOS, 1.10.2 Android, 1.10.1 Chrome OS, 1.4 Linux"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Zscaler"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Tesla Red Team"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.\n\n"
          }
        ]
      },
      "generator": {
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      "impact": {
        "cvss": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-20",
                "lang": "eng",
                "value": "CWE-20 Improper Input Validation"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
          },
          {
            "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
          },
          {
            "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
          },
          {
            "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
          },
          {
            "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
          },
          {
            "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546",
            "refsource": "MISC",
            "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.7",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:linux:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.4",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:android:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.10.2",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:chrome_os:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.10.1",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:iphone_os:*:*",
                "cpe_name": [],
                "versionEndExcluding": "1.9.3",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:macos:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.9",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@zscaler.com",
          "ID": "CVE-2023-28800"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "When using local accounts for administration, the redirect url parameter was not encoded correctly, allowing for an XSS attack providing admin login.\n\n"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-79"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
            },
            {
              "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
            },
            {
              "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
            },
            {
              "name": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
            },
            {
              "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome%20OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
            },
            {
              "name": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706",
              "refsource": "MISC",
              "tags": [
                "Release Notes"
              ],
              "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2023-06-30T15:08Z",
      "publishedDate": "2023-06-22T20:15Z"
    }
  }
}

WID-SEC-W-2023-1616

Vulnerability from csaf_certbund - Published: 2023-07-02 22:00 - Updated: 2023-07-02 22:00

Summary

ZScaler Client Connector: Mehrere Schwachstellen

Severity

Mittel

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: Zscaler Client Connector, ehemals Zscaler App (Z App) führt Sicherheits- und Richtlinienkontrollen auf verwalteten Endgeräten durch.

Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ZScaler Client Connector ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Cross-Site-Scripting-Angriff durchzuführen.

Betroffene Betriebssysteme: - Linux

CVE-2023-28800

In ZScaler Client Connector existiert eine Cross-Site Scripting Schwachstelle. HTML und Script-Eingaben werden nicht ordnungsgemäß überprüft, bevor sie an den Benutzer zurückgegeben werden. Ein entfernter, anonymer Angreifer kann durch Ausnutzung dieser Schwachstelle beliebigen HTML- und Script-Code durch den Browser des Benutzers im Kontext der betroffenen Seite ausführen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich.

CVE-2023-28799

Es existiert eine Schwachstelle in ZScaler Client Connector. Diese ist auf eine fehlende Verifikation zurückzuführen. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich.

References

8 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://help.zscaler.com/zscaler-client-connector…	external
https://help.zscaler.com/client-connector/client-…	external
https://help.zscaler.com/client-connector/client-…	external
https://help.zscaler.com/client-connector/client-…	external
https://help.zscaler.com/client-connector/client-…	external
https://help.zscaler.com/client-connector/client-…	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Zscaler Client Connector, ehemals Zscaler App (Z App) f\u00fchrt Sicherheits- und Richtlinienkontrollen auf verwalteten Endger\u00e4ten durch.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ZScaler Client Connector ausnutzen, um Sicherheitsvorkehrungen zu umgehen oder einen Cross-Site-Scripting-Angriff durchzuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-1616 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-1616.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-1616 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-1616"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/zscaler-client-connector/client-connector-app-release-summary-2021?applicable_category=Windows\u0026applicable_version=3.7\u0026deployment_date=2021-11-26\u0026id=1386541"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macOS\u0026applicable_version=3.9\u0026deployment_date=2023-01-25\u0026id=1443546"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=iOS\u0026applicable_version=1.9.3\u0026deployment_date=2023-03-03\u0026id=1447071"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Chrome+OS\u0026applicable_version=1.10.1\u0026deployment_date=2023-03-10\u0026id=1447771"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=Android\u0026applicable_version=1.10.2\u0026deployment_date=2023-03-09\u0026id=1447706"
      },
      {
        "category": "external",
        "summary": "ZScaler Security Advisory  vom 2023-07-02",
        "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2022?applicable_category=Linux\u0026applicable_version=1.4\u0026deployment_date=2022-10-31\u0026id=1420246"
      }
    ],
    "source_lang": "en-US",
    "title": "ZScaler Client Connector: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2023-07-02T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:54:00.546+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-1616",
      "initial_release_date": "2023-07-02T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-07-02T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "ZScaler Client Connector \u003c 1.10.1",
                "product": {
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                  "product_id": "T028383",
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                "category": "product_name",
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                "product": {
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                  "product_id": "T028384",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:zscaler:client_connector:1.10.2"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "ZScaler Client Connector \u003c 1.4",
                "product": {
                  "name": "ZScaler Client Connector \u003c 1.4",
                  "product_id": "T028385",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:zscaler:client_connector:1.4"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "ZScaler Client Connector \u003c 1.9.3",
                "product": {
                  "name": "ZScaler Client Connector \u003c 1.9.3",
                  "product_id": "T028386",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:zscaler:client_connector:1.9.3"
                  }
                }
              },
              {
                "category": "product_name",
                "name": "ZScaler Client Connector \u003c 3.7",
                "product": {
                  "name": "ZScaler Client Connector \u003c 3.7",
                  "product_id": "T028387",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:zscaler:client_connector:3.7"
                  }
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              },
              {
                "category": "product_name",
                "name": "ZScaler Client Connector \u003c 3.9",
                "product": {
                  "name": "ZScaler Client Connector \u003c 3.9",
                  "product_id": "T028388",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:zscaler:client_connector:3.9"
                  }
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            "category": "product_name",
            "name": "Client Connector"
          }
        ],
        "category": "vendor",
        "name": "ZScaler"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-28800",
      "notes": [
        {
          "category": "description",
          "text": "In ZScaler Client Connector existiert eine Cross-Site Scripting Schwachstelle. HTML und Script-Eingaben werden nicht ordnungsgem\u00e4\u00df \u00fcberpr\u00fcft, bevor sie an den Benutzer zur\u00fcckgegeben werden. Ein entfernter, anonymer Angreifer kann durch Ausnutzung dieser Schwachstelle beliebigen HTML- und Script-Code durch den Browser des Benutzers im Kontext der betroffenen Seite ausf\u00fchren. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich."
        }
      ],
      "release_date": "2023-07-02T22:00:00.000+00:00",
      "title": "CVE-2023-28800"
    },
    {
      "cve": "CVE-2023-28799",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in ZScaler Client Connector. Diese ist auf eine fehlende Verifikation zur\u00fcckzuf\u00fchren. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um Sicherheitsvorkehrungen zu umgehen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich."
        }
      ],
      "release_date": "2023-07-02T22:00:00.000+00:00",
      "title": "CVE-2023-28799"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

CVE-2023-28800 (GCVE-0-2023-28800)

FKIE_CVE-2023-28800

GHSA-CRH5-RQ78-8M4H

GSD-2023-28800

WID-SEC-W-2023-1616

Tags

Sightings

Nomenclature