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CVE-2017-8900
LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor…
Medium4.6EPSS 0.42%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
LightDM through 1.22.0, when systemd is used in Ubuntu 16.10 and 17.x, allows physically proximate attackers to bypass intended AppArmor restrictions and visit the home directories of arbitrary users by establishing a guest session.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.6 | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.42% · top 64% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 98554 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.ubuntu.com/usn/usn-3285-1/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-8900.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://launchpad.net/bugs/1663157 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .