What is CVE-2020-9754?

CVE-2020-9754 is a medium-severity vulnerability in Naver Whale Browser, classified under Improper Access Control. CVSS score: 5.3/10. Published 2022-06-27.

How severe is CVE-2020-9754?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Naver Whale Browser

CVE-2020-9754

NAVER Whale browser mobile app before 1.10.6.2 allows the attacker to bypass its browser unlock function via incognito mode.

Published 2022-06-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Naver Whale Browser — versions unspecified
Navercorp Whale

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve.naver.com/detail/cve-2020-9754.html (Vendor Advisory)

Frequently asked questions

What is CVE-2020-9754?: CVE-2020-9754 is a medium-severity vulnerability in Naver Whale Browser, classified under Improper Access Control. CVSS score: 5.3/10. Published 2022-06-27.
How severe is CVE-2020-9754?: Medium severity. CVSS v3 base score is 5.3 out of 10.