The Personal Firewall driver (aka epfw.sys) 3.0.672.0 and earlier in ESET Smart Security…
Priority LOW 33CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
The Personal Firewall driver (aka epfw.sys) 3.0.672.0 and earlier in ESET Smart Security 3.0.672 and earlier allows local users to gain privileges via a crafted IRP in a certain METHOD_NEITHER IOCTL request to \Device\Epfw that overwrites portions of memory.
Why it matters now
EPSS 0.00805 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:eset:smart_security:*:*:*:*:*:*:*:* | up to 3.0.672 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.551:*:*:*:*:*:*:* | 3.0.551 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.560:*:*:*:*:*:*:* | 3.0.560 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.563:*:*:*:*:*:*:* | 3.0.563 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.621:*:*:*:*:*:*:* | 3.0.621 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.642:*:*:*:*:*:*:* | 3.0.642 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.650:*:*:*:*:*:*:* | 3.0.650 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.657:*:*:*:*:*:*:* | 3.0.657 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.667:*:*:*:*:*:*:* | 3.0.667 | Vulnerable | ESET, spol. s r.o. |
| cpe:2.3:a:eset:smart_security:3.0.669:*:*:*:*:*:*:* | 3.0.669 | Vulnerable | ESET, spol. s r.o. |
- cpe:2.3:a:eset:smart_security:*:*:*:*:*:*:*:* Versions up to 3.0.672 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.551:*:*:*:*:*:*:* Versions 3.0.551 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.560:*:*:*:*:*:*:* Versions 3.0.560 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.563:*:*:*:*:*:*:* Versions 3.0.563 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.621:*:*:*:*:*:*:* Versions 3.0.621 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.642:*:*:*:*:*:*:* Versions 3.0.642 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.650:*:*:*:*:*:*:* Versions 3.0.650 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.657:*:*:*:*:*:*:* Versions 3.0.657 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.667:*:*:*:*:*:*:* Versions 3.0.667 Vulnerable ·ESET, spol. s r.o.
- cpe:2.3:a:eset:smart_security:3.0.669:*:*:*:*:*:*:* Versions 3.0.669 Vulnerable ·ESET, spol. s r.o.
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-5724
- 2026-10-03 Alias added: GHSA-5cvq-8gr9-5xpq
References
More ESET, spol. s r.o. Smart Security vulnerabilities
- TI-2020-08204 The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field… CVSS 3.1CRITICAL 9.8
- TI-2008-05243 ESET Smart Security, when Internet Explorer 6 or 7 is used, allows remote attackers to… CVSS 2.0HIGH 9.3
- TI-2024-00320 Local privilege escalation in Windows products CVSS 3.1HIGH 7.8
- TI-2023-05150 Improper following of a certificate's chain of trust in ESET security products CVSS 3.1HIGH 8.6
- TI-2020-08214 ESET Archive Support Module before 1294 allows virus-detection bypass via crafted RAR… CVSS 3.1HIGH 7.5
- TI-2018-00604 Untrusted search path in Canon IT Solutions Inc. The installers of multiple Canon IT… CVSS 3.0HIGH 7.8
Sources
- CVE-2008-5724 · CVE Program
- CVE-2008-5724 · NVD
- FIRST EPSS
- GHSA-5cvq-8gr9-5xpq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences