CVE-2020-24742 json
An issue has been fixed in Qt versions 5.14.0 where QPluginLoader attempts to load plugins relative to the working directory, allowing atta…
published 5y ago modified last mo. also EUVD-2020-17453
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- qt qt 5.12.7
- qtbase-opensource-src Debian 14, Debian 13, Debian 12 5.12.5+dfsg-8
- qtbase-opensource-src-gles Debian 14, Debian 13, Debian 12 5.14.2+dfsg-3
debian advisories DEBIAN-CVE-2020-24742
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Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-24742 updated cvss 7.8
qt: QPluginLoader loads plugins relative to CWD which could result in arbitrary code execution
-
Red Hat Enterprise Linux 6 qt, qt-x11, qt-odbc, qt-demos, qt-mysql, qt-sqlite, +3 more Red Hat Enterprise Linux 7 qt, qt-x11, qt-odbc, qt-qvfb, qt-demos, qt-mysql, +6 moreaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux 8 qt5-qtbase, qt5-qtbase-gui, qt5-qtbase-odbc, qt5-qtbase-mysql, qt5-qtbase-common, qt5-qtbase-examples, +1 moreaffected: no fix available
-
Red Hat Enterprise Linux 6 qt3, qt3-ODBC, qt3-MySQL, qt3-config, qt3-sqlite, qt3-designer, +1 more Red Hat Enterprise Linux 7 qt3, qt3-ODBC, qt3-MySQL, qt3-config, qt3-designer, qt3-PostgreSQL Red Hat Enterprise Linux 9 qt5-qtbase, qt5-qtbase-gui, qt5-qtbase-odbc, qt5-qtbase-mysql, qt5-qtbase-common, qt5-qtbase-examples, +1 morenot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last mo.
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
References
-
codereview.qt-project.org
/c/qt/qtbase/+/280730
patch, vendor-advisory
Sources
- CVE List CVE-2020-24742
- NVD CVE-2020-24742
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.