What’s Vulnerable › Vulnerabilities

CVE-2020-27349: aptdaemon performed policykit permissions checks too late

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-09 · updated 2026-06-17
• Weakness: CWE-862

Description

Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.

Affected products

• Canonical Ubuntu Linux: 16.04, 18.04, 20.04, 20.10

References

• https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1899193
• https://usn.ubuntu.com/usn/usn-4664-1
• https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1899193
• https://usn.ubuntu.com/usn/usn-4664-1

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