6.5
MEDIUM
CVE-2021-35093
BluCon/BT Controller - Memory Corruption Denial of Service
Description

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

INFO

Published Date :

Jan. 3, 2022, 8:15 a.m.

Last Modified :

Jan. 13, 2022, 5:35 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

2.8
Public PoC/Exploit Available at Github

CVE-2021-35093 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-35093 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.

ID Vendor Product Action
1 Qualcomm csr8510_a10_firmware
2 Qualcomm csr8811_a12_firmware
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-2021-35093.

URL Resource
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory

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).

A Series of Baseband & LMP Exploits against Bluetooth Classic Controllers

Updated: 2 months ago
430 stars 83 fork 83 watcher
Born at : June 7, 2021, 6:52 p.m. This repo has been linked 25 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-35093 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-35093 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jan. 13, 2022

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:A/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin No Types Assigned https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin Vendor Advisory
    Added CWE NIST CWE-787
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:csr8510_a10_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:csr8510_a10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:qualcomm:csr8811_a12_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:qualcomm:csr8811_a12:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-35093 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-2021-35093 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.01%

score

0.25751

percentile

CVSS31 - Vulnerability Scoring System
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