Piriform CCleaner Cloud 1.07.3191 Backdoor

Critical Nessus Plugin ID 103303


A system maintenance application installed on the remote host is affected by a malicious backdoor.


The version of Piriform CCleaner Cloud installed on the remote Windows host is equal to 1.07.3191. It is, therefore, affected by a malicious backdoor that allows remote attackers to obtain sensitive information and install unauthorized software.


Upgrade to a version of Piriform CCleaner Cloud that is later than 1.07.3191. Refer to vendor advisory for further information.

See Also



Plugin Details

Severity: Critical

ID: 103303

File Name: ccleaner_cloud_1_7_0_3191.nasl

Version: $Revision: 1.3 $

Type: local

Agent: windows

Family: Windows

Published: 2017/09/18

Modified: 2017/09/21

Dependencies: 103305

Risk Information

Risk Factor: Critical


Base Score: 10

Temporal Score: 8.3

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:F/RL:OF/RC:ND


Base Score: 9.8

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:X

Vulnerability Information

CPE: x-cpe:/a:piriform:ccleaner_cloud

Required KB Items: installed_sw/CCleaner Cloud, SMB/Registry/Enumerated, SMB/ARCH

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2017/09/18

Vulnerability Publication Date: 2017/09/18

Reference Information

OSVDB: 165616