8.5

CVE-2020-36933: htc iptinstaller Unquoted Search Path or Element

CVSS: 8.5v4.0HighDeferred
Published 25-01-2026Last modified 26-01-2026

Vulnerability summary

CVE-2020-36933 is a high (CVSS 8.5) Unquoted Search Path or Element vulnerability in htc iptinstaller. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.4% 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
0.17%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 25-01-2026
    PublishedVulnerability first disclosed.
  2. 26-01-2026
    Last modifiedVulnerability information updated.

Description

HTC IPTInstaller 4.0.9 contains an unquoted service path vulnerability in the PassThru Service configuration. Attackers can exploit the unquoted binary path to inject and execute malicious code with elevated LocalSystem privileges.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

+0.01 pp

From 0.16% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsUnverified

    IPTInstaller 4.0.9 - 'PassThru Service' Unquoted Service Path

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Htc1 product

1 vendor · 1 product

References

3 links