Vulnerability Report

CVE-2020-15802

Title: BLURtooth man-in-the-middle attack via Cross Transport Key Derivation

MitM

Proof Of Concept

No public PoC currently indexed for CVE-2020-15802.

CWE Category CWE-287
Published Date Sep 11, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.9 CVSS v3.1
Exploit Probability (EPSS)
55.80%

Vulnerability Summary

CVE-2020-15802: Devices supporting Bluetooth before 5.1 may allow man-in-the-middle attacks, aka BLURtooth. Cross Transport Key Derivation in Bluetooth Core Specification v4.2 and v5.0 may permit an unauthenticated user to establish a bonding with one transport, either LE or BR/EDR, and replace a bonding already established on the opposing transport, BR/EDR or LE, potentially overwriting an authenticated key with an unauthenticated key, or a key with greater entropy with one with less.

Impacted Vendors

B
bluetooth 1

Reference Links

https://gizmodo.com/bluetooth-unveils-its-latest-security-issue-with-no-se-1845013709 https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/blurtooth/ https://www.kb.cert.org/vuls/id/589825 https://gizmodo.com/bluetooth-unveils-its-latest-security-issue-with-no-se-1845013709 https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/blurtooth/ https://www.kb.cert.org/vuls/id/589825
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-15802 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.