DLL Hijacking Vulnerabilities During Installation of LG Electronics Software

published 2020-09-14 6y ago modified 2026-06-17 4mo ago also EUVD-2020-28739

cvss: 5.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

A vulnerability that can hijack a DLL file that is loaded during products(LGPCSuite_Setup, IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup) installation into a DLL file that the hacker wants. Missing Support for Integrity Check vulnerability in ____COMPONENT____ of LG Electronics (LGPCSuite_Setup), (IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup) allows ____ATTACKER/ATTACK____ to cause ____IMPACT____. This issue affects: LG Electronics; LGPCSuite_Setup : 1.0.0.3 on Windows(x86, x64); IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup : 1.0.0.9 on Windows(x86, x64).

Is CVE-2020-7807 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.6	CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:H
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD	2.0	1.9	AV:L/AC:M/Au:N/C:N/I:P/A:N

Affected products

LG Electronics (LGPCSuite_Setup), (IPSFULLHD, LG_ULTRAWIDE, ULTRA_HD_Driver Setup)

Classification

Weakness

CWE-353 Missing Support for Integrity Check
CWE-354 Improper Validation of Integrity Check Value

References

lgsecurity.lge.com /
vendor-advisory
boho.or.kr /krcert/secNoticeView.do?bulletin_writing_sequence=35587
third-party-advisory

Sources

CVE List CVE-2020-7807
NVD CVE-2020-7807

Fencer Intel 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.