CVE-2020-28049 is a race condition vulnerability in SDDM versions prior to 0.19.0, affecting Debian, Fedora, openSUSE, and SDDM Project distributions. This medium-severity flaw (CVSS 6.3) allows a local, unprivileged attacker to temporarily connect to the X server without authentication, potentially intercepting keystrokes or accessing clipboard data due to high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.19.0CPE matchmatch criteria | cpe:2.3:a:sddm_project:sddm:*:*:*:*:*:*:*:* | ||
15.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | ||
15.2CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.