7.8

CVE-2020-24742: qt

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2020-24742DEBIAN-CVE-2020-24742
Published 09-08-2021Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2020-24742 is a high (CVSS 7.8) vulnerability in qt. EPSS estimates a 1.17% chance of exploitation in the next 30 days, higher than 66.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
DSA-4617-1USN-4275-1

Timeline

  1. 09-08-2021
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.17%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.17% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian2 products
  • qtbase-opensource-src< 5.12.5+dfsg-8
  • qtbase-opensource-src-gles< 5.14.2+dfsg-3
Ubuntu2 products
  • qtbase-opensource-src< 5.9.5+dfsg-0ubuntu2.5 | < 5.12.8+dfsg-0ubuntu1
  • qtbase-opensource-src-gles< 5.12.8+dfsg-0ubuntu1 | < 5.15.2+dfsg-4
Qt1 product
  • qt≥ 5.6.0, < 5.12.7 | ≥ 5.13.0, ≤ 5.13.2

3 vendors · 5 products

References

6 links