Vulnerability-Lookup

CVE-2024-23480 (GCVE-0-2024-23480)

Vulnerability from cvelistv5 – Published: 2024-05-01 16:27 – Updated: 2024-08-01 23:06

Title

Insecure MacOS code sign check fallback

Summary

A fallback mechanism in code sign checking on macOS may allow arbitrary code execution. This issue affects Zscaler Client Connector on MacOS prior to 4.2.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-10 18:34 UTC

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

Zscaler mitre root

References

1 reference

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

Impacted products

2 products

Vendor	Product	Version	CPE status
Zscaler	Client Connector	Affected: 0 , < 4.2 (custom)	guessed
zscaler	client_connector	Affected: 0 , < 4.2 (custom) cpe:2.3:a:zscaler:client_connector:-:::::macos::

Credits

Robinhood Red Team

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2024-23480

Vulnerability from fkie_nvd - Published: 2024-05-01 17:15 - Updated: 2026-06-17 07:13

Severity

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

Summary

A fallback mechanism in code sign checking on macOS may allow arbitrary code execution. This issue affects Zscaler Client Connector on MacOS prior to 4.2.

References

	URL	Tags
	cve@zscaler.com	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos&applicable_version=4.2	Release Notes, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos&applicable_version=4.2	Release Notes, Vendor Advisory

Impacted products

	Vendor	Product	Version
	zscaler	client_connector	*

JSON

To clipboard

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    {
      "lang": "es",
      "value": "Un mecanismo alternativo en la verificaci\u00f3n de signos de c\u00f3digo en macOS puede permitir la ejecuci\u00f3n de c\u00f3digo arbitrario. Este problema afecta a Zscaler Client Connector en MacOS anteriores a 4.2."
    }
  ],
  "id": "CVE-2024-23480",
  "lastModified": "2026-06-17T07:13:02.200",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.1,
        "impactScore": 5.8,
        "source": "cve@zscaler.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-23480",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-10T18:34:21.699102Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-01T17:15:29.033",
  "references": [
    {
      "source": "cve@zscaler.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos\u0026applicable_version=4.2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos\u0026applicable_version=4.2"
    }
  ],
  "sourceIdentifier": "cve@zscaler.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ],
      "source": "cve@zscaler.com",
      "type": "Secondary"
    }
  ]
}

GHSA-GVPQ-95J2-MC36

Vulnerability from github – Published: 2024-05-01 18:30 – Updated: 2026-02-17 21:31

Details

A fallback mechanism in code sign checking on macOS may allow arbitrary code execution. This issue affects Zscaler Client Connector on MacOS prior to 4.2.

Severity

7.5 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-23480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-347"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-01T17:15:29Z",
    "severity": "HIGH"
  },
  "details": "A fallback mechanism in code sign checking on macOS may allow arbitrary code execution. This issue affects Zscaler Client Connector on MacOS prior to 4.2.",
  "id": "GHSA-gvpq-95j2-mc36",
  "modified": "2026-02-17T21:31:12Z",
  "published": "2024-05-01T18:30:41Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23480"
    },
    {
      "type": "WEB",
      "url": "https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023?applicable_category=macos\u0026applicable_version=4.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2024-23480

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-2024-23480

JSON

To clipboard

{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-23480"
      ],
      "id": "GSD-2024-23480",
      "modified": "2024-01-18T06:02:58.006510Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2024-23480",
        "STATE": "RESERVED"
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "** 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."
          }
        ]
      }
    }
  }
}

WID-SEC-W-2024-1000

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

Summary

ZScaler Client Connector: Schwachstelle ermöglicht Codeausführung

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2024-23480.

CVE-2024-23480

Es existiert eine Schwachstelle in ZScaler Client Connector. Diese ist auf einen Fehler hinsichtlich eines Fallback-Mechanismus für die Code-Signierung unter MacOS zurückzuführen. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuführen.

Open the full advisory

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-23480 (GCVE-0-2024-23480)

FKIE_CVE-2024-23480

GHSA-GVPQ-95J2-MC36

GSD-2024-23480

WID-SEC-W-2024-1000

Tags

Sightings

Nomenclature

Related by attack behaviour