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Vulnerability record · CVE-2020-16121 · published 7 November 2020

CVE-2020-16121: Packagekit project packagekit error message information leak vulnerability

Packagekit Project · Packagekit

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.

3.3 CVSS 3.1 Low EPSS 0.47% · top 62.0% CWE-209 · Error message information leak
3.3CVSS 3.1 base score, v2 2.1
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.

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

Affected products

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

References

LinkTags
https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1888887 Issue TrackingThird Party Advisory
https://www.eyecontrol.nl/blog/the-story-of-3-cves-in-ubuntu-desktop.html ExploitThird Party Advisory
https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1888887 Issue TrackingThird Party Advisory
https://www.eyecontrol.nl/blog/the-story-of-3-cves-in-ubuntu-desktop.html ExploitThird Party 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-2020-16121), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.