Is CVE-2021-46758 in the CISA KEV catalog?

No. CVE-2021-46758 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46758?

CVE-2021-46758 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-46758?

CVE-2021-46758 has an EPSS score of 0.33% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46758?

Upgrade ryzen 3 4300u firmware to renoirpi-fp6_1.0.0.a or later. Fixes are available for 61 affected products.

CVE & CISA-KEV Catalog

CVE-2021-46758

MEDIUM

6.1

CVSS v3

NVD

Description

Insufficient validation of SPI flash addresses in the ASP (AMD Secure Processor) bootloader may allow an attacker to read data in memory mapped beyond SPI flash resulting in a potential loss of availability and integrity.

How to fix

Remediation Available

ryzen 3 4300u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 3 5125c firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 3 5300g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 3 5300ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 3 5300u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 3 5400u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 3 5425u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 3 7335u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 3 pro 7330u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 4500u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 5 4600h firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 5 4600hs firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 5 4600u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 5 4680u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 5 5500h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5500u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5560u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5600g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 5 5600ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 5 5600h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5600hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5600u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 5625u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 5 6600h firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 5 6600hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 5 6600u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 5 7535hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 5 7535u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 5 pro 7530u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 4700u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 7 4800h firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 7 4800hs firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 7 4800u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 7 4980u firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 7 5700g firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 7 5700ge firmwareNVD

Affected:< comboam4v2_pi_1.2.0.8Fixed in:comboam4v2_pi_1.2.0.8CVE-2021-46758derived from NVD

ryzen 7 5700u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 5800h firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 5800hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 5800u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 5825u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 7 6800h firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 6800hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 6800u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 7735hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 7735u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 7736u firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 7 7800x3d firmwareNVD

Affected:< comboam5_1.0.0.1Fixed in:comboam5_1.0.0.1CVE-2021-46758derived from NVD

ryzen 7 pro 7730u firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 9 4900h firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 9 4900hs firmwareNVD

Affected:< renoirpi-fp6_1.0.0.aFixed in:renoirpi-fp6_1.0.0.aCVE-2021-46758derived from NVD

ryzen 9 5900hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 9 5900hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 9 5980hs firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 9 5980hx firmwareNVD

Affected:< cezannepi-fp6_1.0.0.cFixed in:cezannepi-fp6_1.0.0.cCVE-2021-46758derived from NVD

ryzen 9 6900hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 9 6900hx firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 9 6980hs firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 9 6980hx firmwareNVD

Affected:< rembrandtpi-fp7_1.0.0.5Fixed in:rembrandtpi-fp7_1.0.0.5CVE-2021-46758derived from NVD

ryzen 9 7900x3d firmwareNVD

Affected:< comboam5_1.0.0.1Fixed in:comboam5_1.0.0.1CVE-2021-46758derived from NVD

ryzen 9 7950x3d firmwareNVD

Affected:< comboam5_1.0.0.1Fixed in:comboam5_1.0.0.1CVE-2021-46758derived 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 VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Vendor Advisory1

amd.com

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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 2024-11-21.