CVE-2022-20273

Information disclosure via Bluetooth heap over-read

Published Aug 11, 2022 · Updated Aug 3, 2024

Heap out-of-bounds read in Android 13 Bluetooth allows remote attackers to disclose information through a nearby Bluetooth connection. The Bluetooth System component reads beyond a heap buffer boundary while processing attacker-controlled wireless input. Exploitation requires Bluetooth proximity but no privileges or user interaction, and the disclosed data is not publicly characterized.

CVSS severity6.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap out-of-bounds read in Android 13 Bluetooth allows remote attackers to disclose information through a nearby Bluetooth connection. The Bluetooth System component reads beyond a heap buffer boundary while processing attacker-controlled wireless input. Exploitation requires Bluetooth proximity but no privileges or user interaction, and the disclosed data is not publicly characterized.

The record

CVE
CVE-2022-20273
Published
Aug 11, 2022
Updated
Aug 3, 2024
Vendor
Google
Product
Android
Classifications
CWE-787
Attack vector
adjacent
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 vectoradjacent
Required privilegesunauthenticated

What is affected?

Google · Androidversion=Android-13

Published CVSS scores

6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write

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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