What’s Vulnerable › Vulnerabilities

CVE-2020-9264

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-18 · updated 2026-06-17
• Weakness: CWE-436

Description

ESET Archive Support Module before 1296 allows virus-detection bypass via a crafted Compression Information Field in a ZIP archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop.

Affected products

• ESET Cyber Security: before 1296 — fixed in 1296
• ESET Internet Security: before 1296 — fixed in 1296
• ESET Mobile Security: before 1296 — fixed in 1296
• ESET Nod32 Antivirus: before 1296; 4 — fixed in 1296
• ESET Smart Security: before 1296 — fixed in 1296
• ESET Smart Tv Security: before 1296 — fixed in 1296

How to fix

Upgrade to a fixed version: ESET Cyber Security 1296; ESET Internet Security 1296; ESET Mobile Security 1296; ESET Nod32 Antivirus 1296; ESET Smart Security 1296; ESET Smart Tv Security 1296. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2020/Feb/21
• https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html
• https://support.eset.com/en/ca7387-modules-review-december-2019
• http://seclists.org/fulldisclosure/2020/Feb/21
• https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html
• https://support.eset.com/en/ca7387-modules-review-december-2019

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