High severity · published May 9, 2023
CVE-2021-46749
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data…
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
Insufficient bounds checking in ASP (AMD Secure
Processor) may allow for an out of bounds read in SMI (System Management
Interface) mailbox checksum calculation triggering a data abort, resulting in a
potential denial of service.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AG
Athlon Gold 3150g Firmware · Amd
picassopi-fp5_1.0.0.e; pollockpi-ft5_1.0.0.4 · source: NVD
AG
Athlon Gold 3150ge Firmware · Amd
picassopi-fp5_1.0.0.e; pollockpi-ft5_1.0.0.4 · source: NVD
AS
Athlon Silver 3050ge Firmware · Amd
picassopi-fp5_1.0.0.e; pollockpi-ft5_1.0.0.4 · source: NVD
R1
Ryzen 1200 (af) Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R1
Ryzen 1600 (af) Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2200g Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2200ge Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2300x Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2400g Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2400ge Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2500x Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
R2
Ryzen 2600 Firmware · Amd
comboam4pi_1.0.0.9; comboam4v2_pi_1.2.0.8; pinnaclepi-am4_1.0.0.d; raven-fp5-am4_1.1.0.f · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46749
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46749
Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001
More from Athlon Gold 3150g Firmware
9.1
CVE-2021-46754
Insufficient input validation in the ASP (AMD Secure Processor) bootloader may allow an attacker with a compromised Uapp or ABL to coerce the bootloader into exposing sensitive…
8.2
CVE-2022-23815
Improper bounds checking in APCB firmware may allow an attacker to perform an out of bounds write, corrupting the APCB entry, potentially leading to arbitrary code execution
7.8
CVE-2023-20555
Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially…
7.5
CVE-2021-46794
Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data…
6.1
CVE-2021-46759
Improper syscall input validation in AMD TEE (Trusted Execution Environment) may allow an attacker with physical access and control of a Uapp that runs under the bootloader to…