What is CVE-2020-9751?

CVE-2020-9751 is a critical-severity vulnerability in Naver Cloud Explorer, classified under Download of Code Without Integrity Check. CVSS score: 9.1/10. Published 2020-03-03.

How severe is CVE-2020-9751?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Naver Cloud Explorer

CVE-2020-9751

Naver Cloud Explorer before 2.2.2.11 allows the system to download an arbitrary file from the attacker's server and execute it during the upgrade.

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

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% 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

Naver Cloud Explorer
Naver Corporation Cloud Explorer — versions unspecified

Weakness classification (CWE)

CWE-494 — Download of Code Without Integrity Check

References

cve.naver.com/detail/cve-2020-9751 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-9751?: CVE-2020-9751 is a critical-severity vulnerability in Naver Cloud Explorer, classified under Download of Code Without Integrity Check. CVSS score: 9.1/10. Published 2020-03-03.
How severe is CVE-2020-9751?: Critical severity. CVSS v3 base score is 9.1 out of 10.