8.5

CVE-2020-37102: lavasoft web companion Unquoted Search Path or Element

CVSS: 8.5v4.0HighDeferred
Published 03-02-2026Last modified 05-03-2026
Open JSON

Vulnerability summary

CVE-2020-37102 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in lavasoft web companion. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 2.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.14%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 03-02-2026
    PublishedVulnerability first disclosed.
  2. 05-03-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

+0.01 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsVerified

    Adaware Web Companion 4.9.2159 - 'WCAssistantService' Unquoted Service Path

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Lavasoft1 product

1 vendor · 1 product

References

4 links