VDB-355363 · CVE-2016-20055 · Exploit 40577

IObit Advanced SystemCare 10.0.2 AdvancedSystemCareService10 Service unquoted search path

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in IObit Advanced SystemCare 10.0.2. This affects an unknown function of the component AdvancedSystemCareService10 Service. This manipulation causes unquoted search path. This vulnerability appears as CVE-2016-20055. The attack requires local access. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in IObit Advanced SystemCare 10.0.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component AdvancedSystemCareService10 Service. The manipulation with an unknown input leads to a unquoted search path vulnerability. The CWE definition for the vulnerability is CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

IObit Advanced SystemCare 10.0.2 contains an unquoted service path vulnerability in the AdvancedSystemCareService10 service that allows local attackers to escalate privileges. Attackers can place a malicious executable in the service path and trigger privilege escalation when the service restarts or the system reboots, executing code with LocalSystem privileges.

The weakness was presented with Ashiyane Digital Security Team as 40577. It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2016-20055 since 04/04/2026. The exploitation appears to be difficult. Attacking locally is a requirement. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (40577) and EUVD (EUVD-2016-10862). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

IObit

Name

Advanced SystemCare

Version

10.0.2

License

free

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.0
VulDB Temp Score: 6.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (VulnCheck): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unquoted search path
CWE: CWE-428 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/04/2026 Advisory disclosed
04/04/2026 +0 days CVE reserved
04/04/2026 +0 days VulDB entry created
04/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 40577
Organization: Ashiyane Digital Security Team
Status: Not defined

CVE: CVE-2016-20055 (🔒)
GCVE (CVE): GCVE-0-2016-20055
GCVE (VulDB): GCVE-100-355363
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/04/2026 19:46
Updated: 04/05/2026 01:03
Changes: 04/04/2026 19:46 (80), 04/05/2026 01:03 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.