CVE-2021-33592

9.8 criticalEPSS 2.1%

Critical (9.8) in naver toolbar. EPSS 2.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-07-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

naver:toolbar

References

https://cve.naver.com/detail/cve-2021-33592
https://cve.naver.com/detail/cve-2021-33592

Check your stack JSON