The vulnerability was reported by Kevin Perry.
Vulnerable component: Webglimpse
CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The weakness exists due to insufficient sanitization of user-supplied data passed via the "query" HTTP GET parameter to "/webglimpse.cgi" script. A remote attacker can send a specially crafted HTTP request to vulnerable script and execute arbitrary OS commands on vulnerable system.
Successful exploitation may allow an attacker to gain complete control over vulnerable system.
Note: this vulnerability is being actively exploited.