Out-of-bounds Read in Lenovo Bios
CVE-2023-45075
A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lenovo Bios — versions various
- Lenovo Ideacentre_3-07ada05
- Lenovo Ideacentre_3-07ada05_firmware
- Lenovo Ideacentre_3-07imb05
- Lenovo Ideacentre_3-07imb05_firmware
- Lenovo Ideacentre_5-14iob6
- Lenovo Ideacentre_5-14iob6_firmware
- Lenovo Ideacentre_c5-14imb05
- Lenovo Ideacentre_c5-14imb05_firmware
- Lenovo Ideacentre_creator_5-14iob6
Weakness classification (CWE)
References
- psirt@lenovo.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-45075?
- CVE-2023-45075 is a medium-severity vulnerability in Lenovo Bios, classified under Out-of-bounds Read. CVSS score: 6.7/10. Published 2023-11-08.
- How severe is CVE-2023-45075?
- Medium severity. CVSS v3 base score is 6.7 out of 10.