CVE-2022-20308Network attack vector

Hotspot denial of service via insecure hostapd default

Published Aug 11, 2022 · Updated Aug 3, 2024

Android 13 hostapd denial-of-service vulnerability allows remote attackers to interrupt a Wi‑Fi hotspot via an insecure default configuration. The published record identifies hostapd's insecure default as the cause but does not disclose the specific configuration field or code operation that creates the condition. No credentials or user interaction are required; a remote attacker able to reach the hotspot can trigger service interruption, with the documented impact limited to availability.

CVSS severity7.5
High
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Android 13 hostapd denial-of-service vulnerability allows remote attackers to interrupt a Wi‑Fi hotspot via an insecure default configuration. The published record identifies hostapd's insecure default as the cause but does not disclose the specific configuration field or code operation that creates the condition. No credentials or user interaction are required; a remote attacker able to reach the hotspot can trigger service interruption, with the documented impact limited to availability.

The record

CVE
CVE-2022-20308
Published
Aug 11, 2022
Updated
Aug 3, 2024
Vendor
Google Cloud
Product
Android
Classifications
T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Android-13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Androidversion=Android-13

Published CVSS scores

7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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