CVE-2003-1309

Exp

The DeviceIoControl function in the TrueVector Device Driver (VSDATANT) in ZoneAlarm before 3.7.211, Pro before 4.0.146.029, and Plus before 4.0.146.029 allows local users to gain privileges via certain signals (aka "Device Driver Attack").

Published: 2003-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-1309 is rated High Exploit Risk (83.4/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.27%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-1309

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-1309

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-28 2.20% 2.27% +0.07%
2 2026-06-15 1.08% 2.20% +1.11%
3 2025-03-30 1.08%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1309

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2003-1309

Affected software / configurations for CVE-2003-1309

Vendor Product Version Raw CPE
zonelabs zonealarm 3.7.202 cpe:2.3:a:zonelabs:zonealarm:3.7.202:*:*:*:*:*:*:*
zonelabs zonealarm 3.7.211 cpe:2.3:a:zonelabs:zonealarm:3.7.211:*:plus:*:*:*:*:*
zonelabs zonealarm 3.7.211 cpe:2.3:a:zonelabs:zonealarm:3.7.211:*:pro:*:*:*:*:*

References for CVE-2003-1309

cvelogic Threat Intelligence