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CVE-2020-16121

12
FAUCET Score

CVE-2020-16121 is a low-severity information disclosure vulnerability affecting PackageKit, including Canonical's Ubuntu Linux. It allows unprivileged local users to gain sensitive information about file presence and mimetype through overly detailed error messages. The CVSS score is 3.3, indicating a low impact on confidentiality and no impact on integrity or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:packagekit_project:packagekit:-:*:*:*:*:*:*:*
20.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.3LOW

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 93rd percentile among its peer group of 1,509 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: PackageKit

Vendor Advisories (1)

redhatCVE-2020-16121Low

PackageKit: local attacker could use this issue to learn the MIME type of any file on the system

Sep 24, 2020

References

bugs.launchpad.net / ubuntu/+source/packagekit/+bug/1888887
Issue TrackingThird Party Advisory
eyecontrol.nl / blog/the-story-of-3-cves-in-ubuntu-desktop.html
ExploitThird Party Advisory