What’s Vulnerable › Vulnerabilities

CVE-2021-33591

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-28 · updated 2026-06-17
• Weakness: CWE-489

Description

An exposed remote debugging port in Naver Comic Viewer prior to 1.0.15.0 allowed a remote attacker to execute arbitrary code via a crafted HTML page.

Affected products

• Naver Comic Viewer: before 1.0.15.0 — fixed in 1.0.15.0

How to fix

Upgrade to a fixed version: Naver Comic Viewer 1.0.15.0. Check the vendor advisory for mitigations.

References

• https://cve.naver.com/detail/cve-2021-33591
• https://cve.naver.com/detail/cve-2021-33591

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