Vulnerability-Lookup

CVE-2024-23463 (GCVE-0-2024-23463)

Vulnerability from cvelistv5 – Published: 2024-04-30 16:17 – Updated: 2024-08-29 19:20

Title

Anti-Tampering bypass via Repair App functionality

Summary

Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the Repair App functionality. This affects Zscaler Client Connector on Windows prior to 4.2.1

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition

Assigner

Zscaler

References

1 reference

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

Impacted products

2 products

Vendor	Product	Version
Zscaler	Client Connector	Affected: 0 , < 4.2.1 (custom)
zscaler	client_connector	Affected: 0 , < 4.2.1 (custom) cpe:2.3:a:zscaler:client_connector::::::windows::*

Credits

Randstad N.V. Red Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2024-23463

Vulnerability from fkie_nvd - Published: 2024-04-30 17:15 - Updated: 2026-03-02 19:37

Severity

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

Summary

References

	URL	Tags
	cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023	Vendor Advisory, Release Notes
	af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023	Vendor Advisory, Release Notes

Impacted products

	Vendor	Product	Version
	zscaler	client_connector	*

JSON

To clipboard

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  "lastModified": "2026-03-02T19:37:01.117",
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GHSA-P7R9-XPGQ-6HGJ

Vulnerability from github – Published: 2024-04-30 18:30 – Updated: 2026-03-02 21:31

Details

Severity

8.8 (High)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2024-23463"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-367"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-30T17:15:46Z",
    "severity": "HIGH"
  },
  "details": "Anti-tampering protection of the Zscaler Client Connector can be bypassed under certain conditions when running the Repair App functionality. This affects Zscaler Client Connector on Windows prior to 4.2.1",
  "id": "GHSA-p7r9-xpgq-6hgj",
  "modified": "2026-03-02T21:31:19Z",
  "published": "2024-04-30T18:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23463"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2024-23463

Vulnerability from gsd - Updated: 2024-01-18 06:02

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2024-23463

JSON

To clipboard

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-23463"
      ],
      "id": "GSD-2024-23463",
      "modified": "2024-01-18T06:02:57.906516Z",
      "schema_version": "1.4.0"
    }
  },
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        "STATE": "RESERVED"
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      "data_type": "CVE",
      "data_version": "4.0",
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          }
        ]
      }
    }
  }
}

WID-SEC-W-2024-0998

Vulnerability from csaf_certbund - Published: 2024-05-01 22:00 - Updated: 2024-05-01 22:00

Summary

ZScaler Client Connector: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

Severity

Hoch

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, authentisierter Angreifer kann eine Schwachstelle in ZScaler Client Connector ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Betroffene Betriebssysteme: - Windows

CVE-2024-23463

Es existiert eine Schwachstelle in ZScaler Client Connector. Diese ist auf einen Fehler zurückzuführen, welche einen Schutzmechanismus deaktiviert während die Repair-App ausgeführt wird. Ein entfernter, authentisierter Angreifer kann diese Schwachstellen ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

References

4 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://github.com/advisories/GHSA-p7r9-xpgq-6hgj	external
https://nvd.nist.gov/vuln/detail/CVE-2024-23463	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "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, authentisierter Angreifer kann eine Schwachstelle in ZScaler Client Connector ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Windows",
        "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-2024-0998 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-0998.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2024-0998 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-0998"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2024-05-01",
        "url": "https://github.com/advisories/GHSA-p7r9-xpgq-6hgj"
      },
      {
        "category": "external",
        "summary": "NIST Vulnerability Database vom 2024-05-01",
        "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23463"
      }
    ],
    "source_lang": "en-US",
    "title": "ZScaler Client Connector: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
    "tracking": {
      "current_release_date": "2024-05-01T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T18:08:19.541+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2024-0998",
      "initial_release_date": "2024-05-01T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2024-05-01T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c4.2.1",
                "product": {
                  "name": "ZScaler Client Connector \u003c4.2.1",
                  "product_id": "T034496"
                }
              }
            ],
            "category": "product_name",
            "name": "Client Connector"
          }
        ],
        "category": "vendor",
        "name": "ZScaler"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-23463",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in ZScaler Client Connector. Diese ist auf einen Fehler zur\u00fcckzuf\u00fchren, welche einen Schutzmechanismus deaktiviert w\u00e4hrend die Repair-App ausgef\u00fchrt wird. Ein entfernter, authentisierter Angreifer kann diese Schwachstellen ausnutzen, um Sicherheitsvorkehrungen zu umgehen."
        }
      ],
      "release_date": "2024-05-01T22:00:00.000+00:00",
      "title": "CVE-2024-23463"
    }
  ]
}

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.

Action not permitted

CVE-2024-23463 (GCVE-0-2024-23463)

FKIE_CVE-2024-23463

GHSA-P7R9-XPGQ-6HGJ

GSD-2024-23463

WID-SEC-W-2024-0998

Tags

Sightings

Nomenclature