CVE-2023-20576

HIGHCVSS 7.7/10EPSS 0.13%

Last modified

CVE-2023-20576 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.

Metrics

EPSS Probability
0.13%

2.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
AMDAMD Ryzen™ 3000 Series Desktop ProcessorsAll versions
AMDAMD Ryzen™ 5000 Series Desktop ProcessorsAll versions
AMDAMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 7000 Series ProcessorsAll versions
AMDAMD Ryzen™ 4000 Series Desktop Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ Threadripper™ PRO 5000WX ProcessorsAll versions
AMDAMD Ryzen™ 7020 Series Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 6000 Series Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 7035 Series Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 7040 Series Processors with Radeon™ GraphicsAll versions
AMDAMD Ryzen™ 7045 Series Mobile ProcessorsAll versions
AMDAMD Ryzen™ Embedded 5000All versions
AMDAMD Ryzen™ Embedded V3000All versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2023-20576?
Insufficient Verification of Data Authenticity in AGESA™ may allow an attacker to update SPI ROM data potentially resulting in denial of service or privilege escalation.
How severe is CVE-2023-20576?
CVE-2023-20576 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20576?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST