Buffer overflow in Lenovo Desktop Bios
CVE-2023-43571
A buffer overflow was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (15.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Lenovo Desktop Bios — versions various
- Lenovo Ideacentre 3-07ada05
- Lenovo Ideacentre 3-07ada05 Firmware
- Lenovo Ideacentre 3-07imb05
- Lenovo Ideacentre 3-07imb05 Firmware
- Lenovo Ideacentre 5-14acn6
- Lenovo Ideacentre 5-14acn6 Firmware
- Lenovo Ideacentre 5 14iab7
- Lenovo Ideacentre 5 14iab7 Firmware
- Lenovo Ideacentre 5-14imb05
Weakness classification (CWE)
References
- support.lenovo.com/us/en/product_security/LEN-141775 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-43571?
- CVE-2023-43571 is a medium-severity vulnerability in Lenovo Desktop Bios, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-11-08.
- How severe is CVE-2023-43571?
- Medium severity. CVSS v3 base score is 6.7 out of 10.