What is CVE-2021-33592?

CVE-2021-33592 is a critical-severity vulnerability in Naver Toolbar, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-07-19.

How severe is CVE-2021-33592?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Improper input validation in Naver Toolbar

CVE-2021-33592

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Naver Toolbar — versions unspecified
Naver Toolbar

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@navercorp.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33592?: CVE-2021-33592 is a critical-severity vulnerability in Naver Toolbar, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2021-07-19.
How severe is CVE-2021-33592?: Critical severity. CVSS v3 base score is 9.8 out of 10.