An Untrusted Search Path vulnerability in the ServiceInstance.dll library versions 1.0.15.119 and lower, as used in Bitdefender Antivirus F…

published 2019-08-21 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6302

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

An Untrusted Search Path vulnerability in the ServiceInstance.dll library versions 1.0.15.119 and lower, as used in Bitdefender Antivirus Free 2020 versions prior to 1.0.15.138, allows an attacker to load an arbitrary DLL file from the search path.

Patch / fix

fixed in 1

bitdefender antivirus_2020 1.0.15.138

Exploit prediction

1.42% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-426 Untrusted Search Path

References

bitdefender.com /support/security-advisories/untrusted-search-path-vulnerability-serviceinstance-dll-bitdefender-antivirus-fre
vendor-advisory
safebreach.com /Post/BitDefender-Antivirus-Free-2020-Privilege-Escalation-to-SYSTEM
third-party-advisory

Sources

CVE List CVE-2019-15295
NVD CVE-2019-15295

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary