How severe is CVE-2023-20597?

CVE-2023-20597 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-20597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20597?

CVE-2023-20597 primarily affects Amd Ryzen 3 3100 Firmware. In total, 182 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20597?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-20597 published?

CVE-2023-20597 was published on 2023-09-20 and last updated on 2026-06-17.

CVE-2023-20597

CVE-2023-20597 is a medium-severity vulnerability in Amd Ryzen 3 3100 Firmware with a CVSS 3.x base score of 5.5. 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-665.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Amd Ryzen 3 3100 Firmware
Published: 2023-09-20
Last modified: 2026-06-17

Description

Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.

Frequently asked questions

What is CVE-2023-20597?: Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.
How severe is CVE-2023-20597?: CVE-2023-20597 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-20597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20597?: CVE-2023-20597 primarily affects Amd Ryzen 3 3100 Firmware. In total, 182 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20597?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20597 published?: CVE-2023-20597 was published on 2023-09-20 and last updated on 2026-06-17.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4007

Affected products (182)

cpe:2.3:o:amd:ryzen_3_3100_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3100_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200g_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200g_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200ge_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200ge_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250c_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250c_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300g_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300g_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300x_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300x_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3350u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3350u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3450u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3450u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3500c_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3500c_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3500u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3500u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3550h_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3550h_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3580u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3580u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3700c_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3700c_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3700u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3700u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3750h_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3750h_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3780u_firmware:comboam4pi_1.0.0.9:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3780u_firmware:comboam4v2pi_1.2.0.8:*:*:*:*:*:*:*

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CVE-2021-41264 — Critical (CVSS 9.8): OpenZeppelin Contracts is a library for smart contract development. In affected versions upgradeable contracts using…
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CVE-2015-8367 — Critical (CVSS 9.8): The phase_one_correct function in Libraw before 0.17.1 allows attackers to cause memory errors and possibly execute…
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