How severe is CVE-2023-20563?

CVE-2023-20563 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-20563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20563?

CVE-2023-20563 primarily affects Amd Ryzen 3 5100 Firmware. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20563?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-20563 published?

CVE-2023-20563 was published on 2023-11-14 and last updated on 2026-06-17.

CVE-2023-20563

CVE-2023-20563 is a high-severity vulnerability in Amd Ryzen 3 5100 Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Amd Ryzen 3 5100 Firmware
Published: 2023-11-14
Last modified: 2026-06-17

Description

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2023-20563?: Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
How severe is CVE-2023-20563?: CVE-2023-20563 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-20563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20563?: CVE-2023-20563 primarily affects Amd Ryzen 3 5100 Firmware. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-20563 published?: CVE-2023-20563 was published on 2023-11-14 and last updated on 2026-06-17.

References

Affected products (71)

cpe:2.3:o:amd:ryzen_3_5100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5300g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5300ge_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600ge_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5700g_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5700ge_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_7500f_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_7600_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_7600x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_7700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_7700x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_7800x3d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_7900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_7900x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_7900x3d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_7950x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_7950x3d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_pro_3900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_pro_7645_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_pro_7745_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_pro_7945_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5125c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5400u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5425u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5500h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5560u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5600u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_5625u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5800h_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5800hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5800u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_7_5825u_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_5900hs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_5900hx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_9_5980hs_firmware:*:*:*:*:*:*:*:*

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