CVE-2020-0005

Local privilege escalation via unchecked Bluetooth event bounds

Published Feb 13, 2020 · Updated Aug 4, 2024

Out-of-bounds write in Android 8.0 through 10 allows local users with System execution privileges to escalate privileges via a malformed HCI event. The btm_read_remote_ext_features_complete function accepts an undersized completion event or oversized page number and copies feature data without validating either bound. Exploitation requires existing System execution privileges and no user interaction; the published record does not identify the final privilege level.

CVSS severity6.7
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds write in Android 8.0 through 10 allows local users with System execution privileges to escalate privileges via a malformed HCI event. The btm_read_remote_ext_features_complete function accepts an undersized completion event or oversized page number and copies feature data without validating either bound. Exploitation requires existing System execution privileges and no user interaction; the published record does not identify the final privilege level.

The record

CVE
CVE-2020-0005
Published
Feb 13, 2020
Updated
Aug 4, 2024
Vendor
Google Cloud
Product
Android
Classifications
CWE-787, T1404
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Feb 13, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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-8.0 Android-8.1 Android-9 Android-10

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Google Cloud · Androidversion=Android-8.0 Android-8.1 Android-9 Android-10

Published CVSS scores

7.2NIST NVDAV:L/AC:L/Au:N/C:C/I:C/A:C
6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1404Exploitation for Privilege Escalation

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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