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Vulnerability record · CVE-2014-4973 · published 23 September 2014

CVE-2014-4973: Eset smart security improper input validation vulnerability

Eset · Smart Security

The ESET Personal Firewall NDIS filter (EpFwNdis.sys) driver in the Firewall Module Build 1183 (20140214) and earlier in ESET Smart Security and ESET Endpoint Security products 5.0 through 7.0 allows local users to gain privileges via a crafted argument to a 0x830020CC IOCTL call.

6.9 CVSS 2.0 Medium EPSS 1.3% · top 30.5% CWE-20 · Improper input validation
6.9CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The ESET Personal Firewall NDIS filter (EpFwNdis.sys) driver in the Firewall Module Build 1183 (20140214) and earlier in ESET Smart Security and ESET Endpoint Security products 5.0 through 7.0 allows local users to gain privileges via a crafted argument to a 0x830020CC IOCTL call.

AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2014/Aug/52
https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-4973/ Exploit
http://seclists.org/fulldisclosure/2014/Aug/52
https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-4973/ Exploit

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-4973), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.