CVE-2020-37102

Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path

CVSS 8.5 HIGHEPSS 0.1%CWE-428

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

03 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Affected products

Lavasoft · Web Companion

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References

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