CVE-2023-46870Public exploit

Code execution via writable Wireshark extcap scripts

Published May 13, 2024 · Updated Feb 13, 2025

Incorrect file permissions in Nordic Semiconductor nRF Sniffer for Bluetooth LE 3.0.0, 3.1.0, and 4.0.0 through 4.1.1 allow local users to run code. The extcap shell script and Python modules have modes 777 and 666, allowing unprivileged users to replace code that Wireshark loads. Exploitation requires local low-privileged access and another user to start Wireshark, after which the modified extension runs with that user's privileges.

CVSS severity7.3
High
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect file permissions in Nordic Semiconductor nRF Sniffer for Bluetooth LE 3.0.0, 3.1.0, and 4.0.0 through 4.1.1 allow local users to run code. The extcap shell script and Python modules have modes 777 and 666, allowing unprivileged users to replace code that Wireshark loads. Exploitation requires local low-privileged access and another user to start Wireshark, after which the modified extension runs with that user's privileges.

The record

CVE
CVE-2023-46870
Published
May 13, 2024
Updated
Feb 13, 2025
Vendor
Nordic Semiconductor
Product
nRF Sniffer for Bluetooth LE
Classifications
CWE-276, T1574
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 13, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record 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=3.0.0
  2. Affected versionversion=3.1.0
  3. Affected versionversion=4.0.0
  4. Affected versionversion=4.1.0
  5. Affected versionversion=4.1.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Nordic Semiconductor · nRF Sniffer for Bluetooth LEversion=3.0.0; version=3.1.0; version=4.0.0; version=4.1.0; version=4.1.1

Published CVSS scores

7.3CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:R/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1574Hijack Execution Flow

Public exploit references

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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