Vulnerability-Lookup

CVE-2022-20521 (GCVE-0-2022-20521)

Vulnerability from cvelistv5 – Published: 2022-12-16 00:00 – Updated: 2025-04-23 19:59

Summary

In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684

Severity

5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-18 15:50 UTC

CWE

Denial of service
CWE-476 - NULL Pointer Dereference

Assigner

google_android Google root

References

1 reference

URL	Tags
https://source.android.com/security/bulletin/pixe…

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	Android	Affected: Android-13

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2022-20521

Vulnerability from fkie_nvd - Published: 2022-12-16 16:15 - Updated: 2026-06-17 04:24

Severity

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

Summary

References

	URL	Tags
	security@android.com	https://source.android.com/security/bulletin/pixel/2022-12-01	Patch, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://source.android.com/security/bulletin/pixel/2022-12-01	Patch, Vendor Advisory

Impacted products

	Vendor	Product	Version
	google	android	13.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Android",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Android-13"
            }
          ]
        }
      ],
      "source": "security@android.com"
    }
  ],
  "configurations": [
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    },
    {
      "lang": "es",
      "value": "En sdpu_find_most_specific_service_uuid de sdp_utils.cc, existe una forma posible de bloquear Bluetooth debido a que falta una verificaci\u00f3n nula. Esto podr\u00eda provocar una Denegaci\u00f3n de Servicio (DoS) local sin necesidad de privilegios de ejecuci\u00f3n adicionales. Se necesita la interacci\u00f3n del usuario para la explotaci\u00f3n. Producto: Android Versiones: Android-13 ID de Android: A-227203684"
    }
  ],
  "id": "CVE-2022-20521",
  "lastModified": "2026-06-17T04:24:28.780",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
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          "confidentialityImpact": "NONE",
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}

GHSA-PFQ9-GMXF-FP7R

Vulnerability from github – Published: 2022-12-20 18:30 – Updated: 2022-12-20 18:30

Details

Severity

5.0 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2022-20521"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-12-16T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684",
  "id": "GHSA-pfq9-gmxf-fp7r",
  "modified": "2022-12-20T18:30:20Z",
  "published": "2022-12-20T18:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-20521"
    },
    {
      "type": "WEB",
      "url": "https://source.android.com/security/bulletin/pixel/2022-12-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2022-20521

Vulnerability from gsd - Updated: 2023-12-13 01:19

Details

Aliases

CVE-2022-20521

Aliases

CVE-2022-20521

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2022-20521",
    "description": "In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684",
    "id": "GSD-2022-20521"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-20521"
      ],
      "details": "In sdpu_find_most_specific_service_uuid of sdp_utils.cc, there is a possible way to crash Bluetooth due to a missing null check. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-227203684",
      "id": "GSD-2022-20521",
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WID-SEC-W-2022-2234

Vulnerability from csaf_certbund - Published: 2022-12-05 23:00 - Updated: 2023-04-10 22:00

Summary

Android Patchday Dezember 2022

Severity

Hoch

Scope

227 vulnerabilities in this advisory, including CVE-2022-20521.

CVE-2022-20521

Es existieren mehrere Schwachstellen in Google Android. Die Fehler bestehen in den Komponenten Framework, Media Framework, System, Google Play System Updates, Kernel, Imagination Technologies, MediaTek, Unisoc, Qualcomm, Qualcomm closed-source und Pixel. Ein entfernter, anonymer Angreifer kann diese Schwachstellen ausnutzen, um seine Privilegien zu erweitern, einen Denial-of-Service-Zustand zu verursachen, beliebigen Code auszuführen und vertrauliche Informationen offenzulegen. Eine erfolgreiche Ausnutzung erfordert eine Benutzerinteraktion.

Known affected: 6 products

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.

Action not permitted

CVE-2022-20521 (GCVE-0-2022-20521)

FKIE_CVE-2022-20521

GHSA-PFQ9-GMXF-FP7R

GSD-2022-20521

WID-SEC-W-2022-2234

Tags

Sightings

Nomenclature