CVE-2023-20520

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
9.8CRITICAL
EPSS
0.4%
top 36.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
66
AMD 1ST GEN AMD Epyc™AMD 2ND GEN AMD Epyc™AMD 3RD GEN AMD Epyc™+63 more
Timeline
PublishedMay 9

Description

Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentially leading to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages66 packages

▶CVEListV5amd/1st_gen_amd_epyc™various
▶CVEListV5amd/2nd_gen_amd_epyc™various
▶CVEListV5amd/3rd_gen_amd_epyc™various
▶NVDamd/epyc_7251_firmwarenaplespi_1.0.0.h
▶NVDamd/epyc_7252_firmwareromepi_1.0.0.d

🔴Vulnerability Details

2
CVEList
CVE-2023-20520: Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentiall↗2023-05-09
▶
GHSA
GHSA-wmqm-rr3q-7g8h: Improper access control settings in ASP Bootloader may allow an attacker to corrupt the return address causing a stack-based buffer overrun potentiall↗2023-05-09
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CVE-2023-20520 (CRITICAL CVSS 9.8) | Improper access control settings in | cvebase.io