What is CVE-2020-8342?

CVE-2020-8342 is a high-severity vulnerability in Lenovo System Update, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.3/10. Published 2020-09-15.

How severe is CVE-2020-8342?

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

Vulnerability in Lenovo System Update

CVE-2020-8342

A race condition vulnerability was reported in Lenovo System Update prior to version 5.07.0106 that could allow escalation of privilege.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.000 (10.6th percentile) — read the EPSS interpretation.

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.

Affected products

Lenovo System Update — versions unspecified

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

support.lenovo.com/us/en/product_security/LEN-42150 (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8342?: CVE-2020-8342 is a high-severity vulnerability in Lenovo System Update, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.3/10. Published 2020-09-15.
How severe is CVE-2020-8342?: High severity. CVSS v3 base score is 7.3 out of 10.