High severity · published Jan 25, 2026
CVE-2020-36933
IPTInstaller 4.0.9 - 'PassThru Service' Unquoted Service Path
7.8
CVSS
0.2%
EPSS
No
On KEV
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 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)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
IPTInstaller · HTC
4.0.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-36933
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-36933
www.exploit-db.com
https://www.exploit-db.com/exploits/49006
www.htc.com
https://www.htc.com/latam/
www.vulncheck.com
https://www.vulncheck.com/advisories/iptinstaller-passthru-service-unquoted-service-path