What’s Vulnerable › Vulnerabilities

CVE-2023-20593

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-24 · updated 2026-06-17
• Weakness: CWE-209

Description

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

Affected products

• AMD Athlon Gold 7220U Firmware: all versions
• AMD Epyc 7232P Firmware: all versions
• AMD Epyc 7252 Firmware: all versions
• AMD Epyc 7262 Firmware: all versions
• AMD Epyc 7272 Firmware: all versions
• AMD Epyc 7282 Firmware: all versions
• AMD Epyc 7302 Firmware: all versions
• AMD Epyc 7302P Firmware: all versions
• AMD Epyc 7352 Firmware: all versions
• AMD Epyc 7402 Firmware: all versions
• AMD Epyc 7402P Firmware: all versions
• AMD Epyc 7452 Firmware: all versions
• AMD Epyc 7502 Firmware: all versions
• AMD Epyc 7502P Firmware: all versions
• AMD Epyc 7532 Firmware: all versions
• AMD Epyc 7542 Firmware: all versions
• AMD Epyc 7552 Firmware: all versions
• AMD Epyc 7642 Firmware: all versions
• AMD Epyc 7662 Firmware: all versions
• AMD Epyc 7702 Firmware: all versions
• AMD Epyc 7702P Firmware: all versions
• AMD Epyc 7742 Firmware: all versions
• AMD Epyc 7F32 Firmware: all versions
• AMD Epyc 7F52 Firmware: all versions
• AMD Epyc 7F72 Firmware: all versions
• AMD Epyc 7H12 Firmware: all versions
• AMD Ryzen 3 3100 Firmware: all versions
• AMD Ryzen 3 3300X Firmware: all versions
• AMD Ryzen 3 4300G Firmware: all versions
• AMD Ryzen 3 4300Ge Firmware: all versions

References

• http://seclists.org/fulldisclosure/2023/Jul/43
• http://www.openwall.com/lists/oss-security/2023/07/24/3
• http://www.openwall.com/lists/oss-security/2023/07/25/1
• http://www.openwall.com/lists/oss-security/2023/07/25/12
• http://www.openwall.com/lists/oss-security/2023/07/25/13
• http://www.openwall.com/lists/oss-security/2023/07/25/14
• http://www.openwall.com/lists/oss-security/2023/07/25/15
• http://www.openwall.com/lists/oss-security/2023/07/25/16
• http://www.openwall.com/lists/oss-security/2023/07/25/17
• http://www.openwall.com/lists/oss-security/2023/07/25/5
• http://www.openwall.com/lists/oss-security/2023/07/25/6
• http://www.openwall.com/lists/oss-security/2023/07/26/1

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