CVE-2021-33592

CRITICAL 9.8CVE-2021-33592 · Published 19/07/2021 · updated 17/06/2026

In short

CVE-2021-33592 is a CRITICAL (CVSS 9.8) vulnerability affecting toolbar (naver).
Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 81.9% of all vulnerabilities.
Fix: update to 4.0.30.323 or later.

Package	Affected versions	Patched versions
toolbar naver	`< 4.0.30.323`	`4.0.30.323`

Description

NAVER Toolbar before 4.0.30.323 allows remote attackers to execute arbitrary code via a crafted upgrade.xml file. Special characters in filename parameter can be the cause of bypassing code signing check function.

References

cve.naver.com/detail/cve-2021-33592 · Vendor Advisory

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