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Vulnerability record · CVE-2020-24619 · published 22 September 2020

CVE-2020-24619: Meltytech shotcut improper certificate validation vulnerability

Meltytech · Shotcut

In mainwindow.cpp in Shotcut before 20.09.13, the upgrade check misuses TLS because of setPeerVerifyMode(QSslSocket::VerifyNone). A man-in-the-middle attacker could offer a spoofed download resource.

5.9 CVSS 3.1 Medium EPSS 0.71% · top 48.2% CWE-295 · Improper certificate validation
5.9CVSS 3.1 base score, v2 4.3
0.71%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

In mainwindow.cpp in Shotcut before 20.09.13, the upgrade check misuses TLS because of setPeerVerifyMode(QSslSocket::VerifyNone). A man-in-the-middle attacker could offer a spoofed download resource.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/mltframework/shotcut/commit/f008adc039642307f6ee3378d378cdb842e52c1d PatchThird Party Advisory
https://shotcut.org/blog/new-release-200913/ Release NotesVendor Advisory
https://github.com/mltframework/shotcut/commit/f008adc039642307f6ee3378d378cdb842e52c1d PatchThird Party Advisory
https://shotcut.org/blog/new-release-200913/ Release NotesVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-24619), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.