HOMEVULNERABILITIESCVE-2020-9264
MEDIUM

CVE-2020-9264

CWE-436Published: February 18, 2020· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-9264 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

eset6 product(s)
cyber securityinternet securitymobile securitynod32 antivirussmart securitysmart tv security
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://seclists.org/fulldisclosure/2020/Feb/21
ADVISORYhttps://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html
ADVISORYhttp://seclists.org/fulldisclosure/2020/Feb/21
ADVISORYhttps://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html

All References (6)

→
http://seclists.org/fulldisclosure/2020/Feb/21Mailing List · Third Party Advisory
→
https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.htmlThird Party Advisory
→
https://support.eset.com/en/ca7387-modules-review-december-2019Release Notes
→
http://seclists.org/fulldisclosure/2020/Feb/21Mailing List · Third Party Advisory
→
https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.htmlThird Party Advisory
→
https://support.eset.com/en/ca7387-modules-review-december-2019Release Notes

Quick Facts

CVE IDCVE-2020-9264
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-436
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 18, 2020

Related CVEs (CWE-436)

CVE-2023-24813
9.8
CVE-2020-10180
9.8
CVE-2021-45327
9.8
CVE-2026-8034
9.8
CVE-2026-32052
9.8
CVE-2024-24754
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-9264 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2020-9264·NVD