9.8
CRITICAL
CVE-2021-46760
"Apache Bootloader Out-of-Bounds Memory Access Vulnerability"
Description

A malicious or compromised UApp or ABL can send a malformed system call to the bootloader, which may result in an out-of-bounds memory access that may potentially lead to an attacker leaking sensitive information or achieving code execution.

INFO

Published Date :

May 9, 2023, 8:15 p.m.

Last Modified :

Jan. 27, 2025, 6:15 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-46760 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_3945wx_firmware
2 Amd ryzen_3955wx_firmware
3 Amd ryzen_3960x_firmware
4 Amd ryzen_3970x_firmware
5 Amd ryzen_3975wx_firmware
6 Amd ryzen_3990x_firmware
7 Amd ryzen_3995wx_firmware
8 Amd ryzen_3945wx
9 Amd ryzen_3955wx
10 Amd ryzen_3960x
11 Amd ryzen_3970x
12 Amd ryzen_3975wx
13 Amd ryzen_3990x
14 Amd ryzen_3995wx
: Total Affected Vendor : 1 | Products : 14
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-2021-46760.

URL Resource
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 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).

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

The following list is the news that have been mention CVE-2021-46760 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-46760 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 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 27, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-770
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
  • CVE Modified by [email protected]

    May. 14, 2024

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

    May. 22, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 No Types Assigned https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 Vendor Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3945wx_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3945wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3955wx_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3960x_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3960x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3970x_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3970x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3975wx_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3990x_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3990x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3995wx_firmware:castlepeakwspi-swrx8_1.0.0.9:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3995wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3945wx_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3945wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3955wx_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3960x_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3960x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3970x_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3970x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3975wx_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3990x_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3990x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3995wx_firmware:chagallwspi-swrx8_1.0.0.2:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3995wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3945wx_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3945wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3955wx_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3955wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3960x_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3960x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3970x_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3970x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3975wx_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3975wx:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3990x_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3990x:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:amd:ryzen_3995wx_firmware:castlepeakpi-sp3r3_1.0.0.7:*:*:*:*:*:*:* OR cpe:2.3:h:amd:ryzen_3995wx:-:*:*:*:*:*:*:*
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-2021-46760 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-2021-46760 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood
Exploit Prediction

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

0.26 }} -0.02%

score

0.66268

percentile

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