CVE & CISA-KEV Catalog

CVE-2021-46757

HIGH
7.8
CVSS v3
NVD

Description

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.

CWE-119Buffer Overflow

How to fix

Remediation Available
ryzen embedded 5600e firmwareNVD
Affected:< embam4pi_1.0.0.0Fixed in:embam4pi_1.0.0.0CVE-2021-46757derived from NVD
ryzen embedded 5800e firmwareNVD
Affected:< embam4pi_1.0.0.0Fixed in:embam4pi_1.0.0.0CVE-2021-46757derived from NVD
ryzen embedded 5900e firmwareNVD
Affected:< embam4pi_1.0.0.0Fixed in:embam4pi_1.0.0.0CVE-2021-46757derived from NVD
ryzen embedded 5950e firmwareNVD
Affected:< embam4pi_1.0.0.0Fixed in:embam4pi_1.0.0.0CVE-2021-46757derived from NVD
ryzen embedded r2312 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD
ryzen embedded r2314 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD
ryzen embedded v2516 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD
ryzen embedded v2546 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD
ryzen embedded v2718 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD
ryzen embedded v2748 firmwareNVD
Affected:< embeddedpi-fp6_1.0.0.6Fixed in:embeddedpi-fp6_1.0.0.6CVE-2021-46757derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.18%probability of exploitation in 30 days
8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2023-4966Critical9.4100%KEV + RansomFix
CVE-2017-11882High7.8100%KEV + Ransom-
CVE-2020-0796Critical10.0100%KEV + Ransom-
CVE-2008-4250Critical9.899%KEV-
CVE-2017-15944Critical9.898%KEVFix
CVE-2015-0014High10.097%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-07.