What is CVE-2021-3633?

CVE-2021-3633 is a high-severity vulnerability in Lenovo Driver Management, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.3/10. Published 2021-08-17.

How severe is CVE-2021-3633?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Lenovo Driver Management

CVE-2021-3633

A DLL preloading vulnerability was reported in Lenovo Driver Management prior to version 2.9.0719.1104 that could allow privilege escalation.

Published 2021-08-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (15.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Lenovo Driver Management — versions unspecified
Lenovo Drivers Management

Weakness classification (CWE)

References

iknow.lenovo.com.cn/detail/dc_198418.html (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2021-3633?: CVE-2021-3633 is a high-severity vulnerability in Lenovo Driver Management, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.3/10. Published 2021-08-17.
How severe is CVE-2021-3633?: High severity. CVSS v3 base score is 7.3 out of 10.