CVE-2020-15509
Nordic Semiconductor BLE Library: Encryption Downgrade Vulnerability
Description
Nordic Semiconductor Android BLE Library through 2.2.1 and DFU Library through 1.10.4 for Android (as used by nRF Connect and other applications) can engage in unencrypted communication while showing the user that the communication is purportedly encrypted. The problem is in bond creation (e.g., internalCreateBond in BleManagerHandler).
INFO
Published Date :
July 7, 2020, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 5:05 a.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2020-15509
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Public PoC/Exploit Available at Github
CVE-2020-15509 has a 3 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-15509.
| URL | Resource |
|---|---|
| https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master | Patch Third Party Advisory |
| https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release | Patch Third Party Advisory |
| https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ | Patch Third Party Advisory |
| https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master | Patch Third Party Advisory |
| https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release | Patch Third Party Advisory |
| https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ | Patch Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-15509 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-15509
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
Cybersecurity oriented awesome list
awesome awesome-list cybersecurity exploitation reverse-engineering
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-15509 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-15509 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master Added Reference https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release Added Reference https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-311 CWE-319 -
Initial Analysis by [email protected]
Jul. 15, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master No Types Assigned https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master Patch, Third Party Advisory Changed Reference Type https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release No Types Assigned https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release Patch, Third Party Advisory Changed Reference Type https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ No Types Assigned https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/ Patch, Third Party Advisory Added CWE NIST CWE-311 Added CPE Configuration OR *cpe:2.3:a:nordicsemi:android_ble_library:*:*:*:*:*:*:*:* versions up to (including) 2.2.1 *cpe:2.3:a:nordicsemi:dfu_library:*:*:*:*:*:*:*:* versions up to (including) 1.10.4
Vulnerability Scoring Details
Base CVSS Score: 6.5
Base CVSS Score: 3.3
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} -0.02%
score
0.12848
percentile