CVE-2020-9770Network attack vector

Bluetooth traffic interception via improper state management

Published Apr 1, 2020 · Updated Aug 4, 2024

Information disclosure in Bluetooth in Apple iOS before 13.4 allows man-in-the-middle attackers to intercept Bluetooth traffic. Apple has not disclosed which Bluetooth state transition is mishandled or how the resulting state exposes traffic. Exploitation requires a privileged network position and is limited to confidentiality loss through intercepted Bluetooth communications.

CVSS severity6.5
Medium
EPSS probability1.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Bluetooth in Apple iOS before 13.4 allows man-in-the-middle attackers to intercept Bluetooth traffic. Apple has not disclosed which Bluetooth state transition is mishandled or how the resulting state exposes traffic. Exploitation requires a privileged network position and is limited to confidentiality loss through intercepted Bluetooth communications.

The record

CVE
CVE-2020-9770
Published
Apr 1, 2020
Updated
Aug 4, 2024
Vendor
Apple
Product
iOS
Classifications
T1040
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Apr 1, 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=unspecified <iOS 13.4 and iPadOS 13.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Apple · iOSversion=unspecified <iOS 13.4 and iPadOS 13.4

Published CVSS scores

6.5NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/C:P/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.

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)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1040Network Sniffing

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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