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Fencer Vulns
medium 6.2

CVE-2007-3920 json

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical a…

published 2007-10-29 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3904

cvss
6.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits
0
none known

Summary

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069.

Patch / fix

  • xorg-server Debian 14, Debian 13, Debian 12 2:1.4.1~git20080118-1
  • gnome-screensaver Debian 13, Debian 12 2.20.0-1.1

debian advisories DEBIAN-CVE-2007-3920

  • compiz RHEL 5 PRODUCTIVITY, RHEL 5 0.0.13-0.37.20060817git.el5

red hat advisories RHSA-2008:0485

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3920 updated

gnome-screensaver loses keyboard grab when running under compiz

  • Red Hat Enterprise Linux Desktop (v. 5 client) compiz 0.0.13-0.37.20060817git.el5 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) compiz 0.0.13-0.37.20060817git.el5 Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) compiz 0.0.13-0.37.20060817git.el5
    fixed: vendor fix RHSA-2008:0485

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.