Vulnerability details

CVE-2020-37102

Lavasoft Web Companion

Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path

CVSS 4.0

8.5High

Official description

Adaware Web Companion 4.9.2159 contains an unquoted service path vulnerability in the WCAssistantService that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path to inject malicious executables that will be run with LocalSystem privileges during service startup.

CVSS scores

Score	Version	Source	Vector
8.5High	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`
7.8High	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Lavasoft	Web Companion	4.9.2159	CVEProject cvelistV5 (CNA)

References and advisories

https://www.exploit-db.com/exploits/47852 exploit
http://webcompanion.com/ product
http://webcompanion.com/LP-WC002/index.php?partner=LU150701WEBDIRECT&campaign=www.doc2pdf.com&search=2&homepage=2&bd=2 product
https://www.vulncheck.com/advisories/adaware-web-companion-wcassistantservice-unquoted-service-path third-party-advisory

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Details

Published: 2026-02-03
Last updated: 2026-03-05
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.14%

Probability of exploitation in 30 days

3.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-428
Unquoted Search Path or Element