HOMEVULNERABILITIESCVE-2007-3920
MEDIUM

CVE-2007-3920

NVD-CWE-OtherPublished: October 29, 2007· Updated: Jun 16, 2026

6.2
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2007-3920 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:H/Au:N/C:C/I:C/A:C

Affected Vendors & Products

compiz1 product(s)
compiz
gnome1 product(s)
screensaver
Ubuntu1 product(s)
ubuntu linux
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (30)

Quick Facts

CVE IDCVE-2007-3920
CVSS Score6.2 / 10
SeverityMEDIUM
CISA KEVNo
Affected3 vendor(s)
PublishedOct 29, 2007

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2007-3920 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.