CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS
Percentile
77.8%
Security researcher Gregory Fleischer reported that the exception messages generated by Mozilla’s GeckoActiveXObject differ based on whether or not the requested COM object’s ProgID is present in the system registry. A malicious site could use this vulnerability to enumerate a list of COM objects installed on a user’s system and create a profile to track the user across browsing sessions.