{"cve":"CVE-2023-20597","nvd":{"published":"2023-09-20T18:15:12.257","modified":"2026-06-17T05:30:23.980","status":"Modified","description":"Improper initialization of variables in the DXE driver may allow a privileged user to leak sensitive information via local access.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-665","CWE-824"],"references":["https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4007","https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4007"],"products":["amd:ryzen_3100_firmware","amd:ryzen_3300x_firmware","amd:ryzen_3500_firmware","amd:ryzen_3500x_firmware","amd:ryzen_3600_firmware","amd:ryzen_3600x_firmware","amd:ryzen_3600xt_firmware","amd:ryzen_3800x_firmware","amd:ryzen_3800xt_firmware","amd:ryzen_3900_firmware","amd:ryzen_3900x_firmware","amd:ryzen_3900xt_firmware","amd:ryzen_3945wx_firmware","amd:ryzen_3950x_firmware","amd:ryzen_3955wx_firmware","amd:ryzen_3960x_firmware","amd:ryzen_3970x_firmware","amd:ryzen_3975wx_firmware","amd:ryzen_3990x_firmware","amd:ryzen_3995wx_firmware","amd:ryzen_3_3100_firmware","amd:ryzen_3_3200g_firmware","amd:ryzen_3_3200ge_firmware","amd:ryzen_3_3200u_firmware","amd:ryzen_3_3250c_firmware","amd:ryzen_3_3250u_firmware","amd:ryzen_3_3300_firmware","amd:ryzen_3_3300g_firmware","amd:ryzen_3_3300u_firmware","amd:ryzen_3_3300x_firmware","amd:ryzen_3_3350u_firmware","amd:ryzen_3_3450u_firmware","amd:ryzen_3_3500c_firmware","amd:ryzen_3_3500u_firmware","amd:ryzen_3_3550h_firmware","amd:ryzen_3_3580u_firmware","amd:ryzen_3_3700c_firmware","amd:ryzen_3_3700u_firmware","amd:ryzen_3_3750h_firmware","amd:ryzen_3_3780u_firmware","amd:ryzen_4300g_firmware","amd:ryzen_4300ge_firmware","amd:ryzen_4600g_firmware","amd:ryzen_4600ge_firmware","amd:ryzen_4700g_firmware","amd:ryzen_4700ge_firmware","amd:ryzen_4700s_firmware","amd:ryzen_5300g_firmware","amd:ryzen_5300ge_firmware","amd:ryzen_5500_firmware"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-20597","score":0.00182,"percentile":0.07764,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}