What is CVE-2020-9759?

CVE-2020-9759 is a medium-severity vulnerability in LG Webos, classified under Download of Code Without Integrity Check. CVSS score: 4.6/10. Published 2020-03-23.

How severe is CVE-2020-9759?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in LG Webos

CVE-2020-9759

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.

Published 2020-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

LG Webos

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

blog.recurity-labs.com/2021-02-03/webOS_Pt1.html (Exploit, Third Party Advisory)
lists.debian.org/debian-lts-announce/2021/09/msg00018.html (mailing-list, Mailing List, Third Party Advisory, Not Applicable)

Frequently asked questions

What is CVE-2020-9759?: CVE-2020-9759 is a medium-severity vulnerability in LG Webos, classified under Download of Code Without Integrity Check. CVSS score: 4.6/10. Published 2020-03-23.
How severe is CVE-2020-9759?: Medium severity. CVSS v3 base score is 4.6 out of 10.