CVE-2017-20002 is a vulnerability in the Debian shadow package (before 1:4.5-1) that incorrectly lists pts/0 and pts/1 as physical terminals in /etc/securetty. This flaw allows local users to log in as password-less users via non-physical means like SSH, bypassing PAM's nullok_secure configuration, particularly impacting virtual machines with default blank root passwords. With a CVSS score of 7.8 (High), this local privilege escalation vulnerability has a low attack complexity and can lead to full compromise of confidentiality, integrity, and availability. There is no public exploit intelligence, active exploitation, or significant community discussion reported for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.4CPE matchmatch criteria | cpe:2.3:a:debian:shadow:4.4:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.