HOMEVULNERABILITIESCVE-2020-9759
HIGH

CVE-2020-9759

CWE-494Published: March 23, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official Description

A Vulnerability of LG Electronic web OS TV Emulator could allow an attacker to escalate privileges and overwrite certain files. This vulnerability is due to wrong environment setting. An attacker could exploit this vulnerability through crafted configuration files and executable files.

NVD Source

Technical Analysis

CVE-2020-9759 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Vendors & Products

lg1 product(s)
webos
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://blog.recurity-labs.com/2021-02-03/webOS_Pt1.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.html
ADVISORYhttps://blog.recurity-labs.com/2021-02-03/webOS_Pt1.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/09/msg00018.html

All References (4)

→
https://blog.recurity-labs.com/2021-02-03/webOS_Pt1.htmlExploit · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlMailing List · Not Applicable · Third Party Advisory
→
https://blog.recurity-labs.com/2021-02-03/webOS_Pt1.htmlExploit · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2021/09/msg00018.htmlMailing List · Not Applicable · Third Party Advisory

Quick Facts

CVE IDCVE-2020-9759
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-494
CISA KEVNo
Affected1 vendor(s)
PublishedMar 23, 2020

Related CVEs (CWE-494)

CVE-2020-1595
9.9
CVE-2020-1210
9.9
CVE-2019-19167
9.8
CVE-2018-5409
9.8
CVE-2025-40604
9.8
CVE-2019-3801
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-9759 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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