CVE-2020-16121 - CVE House
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Status published Low CVE-2020-16121

PackageKit error messages leak presence and mimetype of files to unprivileged users

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Vaisha Bernard

References

More from PackageKit

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CVE-2020-16122
Packagekit's apt backend lets user install untrusted local packages
High 8.2

Affected Vendor

Affected Software

PackageKit
Vulnerable Versions:
1.1.13-2ubuntu, 1.1.9-1ubuntu2, 0.8.17-4ubuntu6

Timeline

Official Publish: November 7th, 2020
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

CWE-209

MITRE ATT&CK TTPs

T1592 Gather Victim Host Information
Reconnaissance
T1083 File and Directory Discovery
Discovery
T1552 Unsecured Credentials
Credential Access
T1212 Exploitation for Defense Evasion
Defense Evasion
T1005 Data from Local System
Collection