What is CVE-2020-24742?

CVE-2020-24742 is a high-severity vulnerability in Qt. CVSS score: 7.8/10. Published 2021-08-09.

How severe is CVE-2020-24742?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Qt

CVE-2020-24742

An issue has been fixed in Qt versions 5.14.0 where QPluginLoader attempts to load plugins relative to the working directory, allowing attackers to execute arbitrary code via crafted files.

Published 2021-08-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

References

codereview.qt-project.org/c/qt/qtbase/+/280730 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-24742?: CVE-2020-24742 is a high-severity vulnerability in Qt. CVSS score: 7.8/10. Published 2021-08-09.
How severe is CVE-2020-24742?: High severity. CVSS v3 base score is 7.8 out of 10.