HIGH
The screen saver in Dock in Apple Mac OS X 10.5 before 10.5.8 does not prevent four-finger Multi-Touch gestures, which allows physically proximate attackers to bypass locking and "manage applications or use Expose" via unspecified vectors.
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
http://secunia.com/advisories/36096
http://support.apple.com/kb/HT3757
http://www.securityfocus.com/bid/35954
http://www.us-cert.gov/cas/techalerts/TA09-218A.html
Source: MITRE
Published: 2009-08-06
Updated: 2017-08-08
Type: NVD-CWE-Other
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH