High severity · published Feb 3, 2026
CVE-2020-37102
Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path
7.8
CVSS
0.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WC
Web Companion · Lavasoft
4.9.2159 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-37102
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-37102
webcompanion.com
http://webcompanion.com/
webcompanion.com
http://webcompanion.com/LP-WC002/index.php?partner=LU150701WEBDIRECT&campaign=www.doc2pdf.com&search=2&homepage=2&bd=2
www.exploit-db.com
https://www.exploit-db.com/exploits/47852
www.vulncheck.com
https://www.vulncheck.com/advisories/adaware-web-companion-wcassistantservice-unquoted-service-path