Auth bypass in Canonical Aptdaemon
CVE-2020-27349
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.
Vulnerability class: Broken Access Control
EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Canonical Aptdaemon — versions 1.1.1+bzr982-0ubuntu14, 1.1.1+bzr982-0ubuntu19, 1.1.1+bzr982-0ubuntu32
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
Weakness classification (CWE)
References
- security@ubuntu.com (Patch, Third Party Advisory, x_refsource_MISC)
- security@ubuntu.com (x_refsource_MISC, Broken Link)
Frequently asked questions
- What is CVE-2020-27349?
- CVE-2020-27349 is a medium-severity vulnerability in Canonical Aptdaemon, classified under Missing Authorization. CVSS score: 5.5/10. Published 2020-12-09.
- How severe is CVE-2020-27349?
- Medium severity. CVSS v3 base score is 5.5 out of 10.