Vulnerable component: Adobe Flash Player
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
The vulnerability allows a remote attacker to hijack the clipboard on the target system.
The weakness exists due to error in the setClipboard() function. By persuading a victim view a specially crafted shockwave file, an attacker could exploit this vulnerability to insert persistent data into the clipboard.
Successful exploitation of the vulnerability results in modification of data on the vulnerable system.
Note: the vulnerability was being actively exploited.