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: 1.6

Type: local

Agent: windows

Family: Windows

Published: 2017/09/18

Updated: 2018/11/15

Dependencies: 103305

Risk Information

Risk Factor: Critical

CVSS v2.0

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

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

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

Patch Publication Date: 2017/09/18

Vulnerability Publication Date: 2017/09/18