5.5
MEDIUM
CVE-2021-46766
Atheros WiFi Chipset Data Exposure Vulnerability
Description

Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.

INFO

Published Date :

Nov. 14, 2023, 7:15 p.m.

Last Modified :

June 18, 2024, 7:15 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2021-46766 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 Amd ryzen_threadripper_pro_3945wx_firmware
2 Amd ryzen_threadripper_pro_3955wx_firmware
3 Amd ryzen_threadripper_pro_3975wx_firmware
4 Amd ryzen_threadripper_pro_3995wx_firmware
5 Amd epyc_9124_firmware
6 Amd epyc_9174f_firmware
7 Amd epyc_9184x_firmware
8 Amd epyc_9224_firmware
9 Amd epyc_9254_firmware
10 Amd epyc_9274f_firmware
11 Amd epyc_9334_firmware
12 Amd epyc_9354_firmware
13 Amd epyc_9354p_firmware
14 Amd epyc_9374f_firmware
15 Amd epyc_9384x_firmware
16 Amd epyc_9454_firmware
17 Amd epyc_9454p_firmware
18 Amd epyc_9474f_firmware
19 Amd epyc_9534_firmware
20 Amd epyc_9554p_firmware
21 Amd epyc_9554_firmware
22 Amd epyc_9634_firmware
23 Amd epyc_9654_firmware
24 Amd epyc_9654p_firmware
25 Amd epyc_9684x_firmware
26 Amd epyc_9734_firmware
27 Amd epyc_9754_firmware
28 Amd epyc_9754s_firmware
29 Amd epyc_9124
30 Amd epyc_9224
31 Amd epyc_9254
32 Amd epyc_9334
33 Amd epyc_9354
34 Amd epyc_9354p
35 Amd epyc_9174f
36 Amd epyc_9184x
37 Amd epyc_9274f
38 Amd epyc_9374f
39 Amd epyc_9384x
40 Amd epyc_9474f
41 Amd epyc_9454
42 Amd epyc_9454p
43 Amd epyc_9534
44 Amd epyc_9554
45 Amd epyc_9554p
46 Amd epyc_9634
47 Amd epyc_9654
48 Amd epyc_9654p
49 Amd epyc_9684x
50 Amd epyc_9734
51 Amd epyc_9754s
52 Amd epyc_9754
53 Amd ryzen_threadripper_pro_3995wx
54 Amd ryzen_threadripper_pro_3975wx
55 Amd ryzen_threadripper_pro_3955wx
56 Amd ryzen_threadripper_pro_3945wx
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-2021-46766.

URL Resource
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

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).

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

The following list is the news that have been mention CVE-2021-46766 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46766 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]

    Jun. 18, 2024

    Action Type Old Value New Value
    Changed Description Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality. Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
    Added CVSS V3.1 Advanced Micro Devices Inc. AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2024

    Action Type Old Value New Value
    Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001 [No types assigned]
  • Initial Analysis by [email protected]

    Nov. 27, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 Vendor Advisory
    Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 Vendor Advisory
    Added CWE NIST CWE-459
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9654p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9654p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9654_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9654:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9634_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9634:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9554p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9554p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9554_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9554:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9534_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9534:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9474f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9474f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9454p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9454p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9454_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9454:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9374f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9374f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9354p_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9354p:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9354_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9354:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9334_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9334:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9274f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9274f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9254_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9254:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9224_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9224:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9174f_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9174f:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9124_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9124:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9684x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9684x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9384x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9384x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9184x_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9184x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9754_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9754:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9754s_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9754s:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:epyc_9734_firmware:*:*:*:*:*:*:*:* versions up to (excluding) genoapi_1.0.0.4 OR cpe:2.3:h:amd:epyc_9734:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3995wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) chagallwspi-swrx8_1.0.0.5 OR cpe:2.3:h:amd:ryzen_threadripper_pro_3995wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3975wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) chagallwspi-swrx8_1.0.0.5 OR cpe:2.3:h:amd:ryzen_threadripper_pro_3975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3955wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) chagallwspi-swrx8_1.0.0.5 OR cpe:2.3:h:amd:ryzen_threadripper_pro_3955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_threadripper_pro_3945wx_firmware:*:*:*:*:*:*:*:* versions up to (excluding) chagallwspi-swrx8_1.0.0.5 OR cpe:2.3:h:amd:ryzen_threadripper_pro_3945wx:-:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Nov. 14, 2023

    Action Type Old Value New Value
    Added Description Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.
    Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 [No types assigned]
    Added Reference Advanced Micro Devices Inc. https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002 [No types assigned]
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-2021-46766 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-2021-46766 weaknesses.

Exploit Prediction

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

0.04 }} 0.00%

score

0.11973

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability