AMD Ryzen Embedded 5000 Virtual Address buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD Ryzen Embedded 5000. It has been classified as critical. This vulnerability affects unknown code of the component Virtual Address Handler. The manipulation leads to buffer overflow. This vulnerability is referenced as CVE-2021-46757. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in AMD Ryzen Embedded 5000 (unknown version). This issue affects an unknown code block of the component Virtual Address Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Insufficient checking of memory buffer in ASP Secure OS may allow an attacker with a malicious TA to read/write to the ASP Secure OS kernel virtual address space potentially leading to privilege escalation.

The weakness was published 02/13/2024. The advisory is shared at amd.com. The identification of this vulnerability is CVE-2021-46757 since 03/31/2022. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/13/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1770). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Ubuntu Linux
  • Oracle Linux
  • Dell PowerEdge
  • Lenovo Computer
  • HP Computer
  • AMD Prozessor

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/31/2022 🔍
02/13/2024 +684 days 🔍
02/13/2024 +0 days 🔍
12/13/2025 +669 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-46757 (🔍)
GCVE (CVE): GCVE-0-2021-46757
GCVE (VulDB): GCVE-100-253685
CERT Bund: WID-SEC-2025-1770 - AMD Prozessoren: Mehrere Schwachstellen

Entryinfo

Created: 02/13/2024 20:37
Updated: 12/13/2025 15:39
Changes: 02/13/2024 20:37 (37), 06/19/2024 03:36 (15), 10/24/2024 16:12 (12), 12/13/2025 15:39 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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